21722580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:108

約数の個数: 240

約数和(自身を含む): 79035264

約数和(自身を除く): 57312684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 27, 30, 33, 36, 44, 45, 46, 53, 54, 55, 60, 66, 69, 81, 90, 92, 99, 106, 108, 110, 115, 132, 135, 138, 159, 162, 165, 180, 198, 207, 212, 220, 230, 253, 265, 270, 276, 297, 318, 324, 330, 345, 396, 405, 414, 460, 477, 495, 506, 530, 540, 583, 594, 621, 636, 660, 690, 759, 795, 810, 828, 891, 954, 990, 1012, 1035, 1060, 1166, 1188, 1219, 1242, 1265, 1380, 1431, 1485, 1518, 1590, 1620, 1749, 1782, 1863, 1908, 1980, 2070, 2277, 2332, 2385, 2438, 2484, 2530, 2862, 2915, 2970, 3036, 3105, 3180, 3498, 3564, 3657, 3726, 3795, 4140, 4293, 4455, 4554, 4770, 4876, 5060, 5247, 5724, 5830, 5940, 6095, 6210, 6831, 6996, 7155, 7314, 7452, 7590, 8586, 8745, 8910, 9108, 9315, 9540, 10494, 10971, 11385, 11660, 12190, 12420, 13409, 13662, 14310, 14628, 15180, 15741, 17172, 17490, 17820, 18285, 18630, 20493, 20988, 21465, 21942, 22770, 24380, 26235, 26818, 27324, 28620, 31482, 32913, 34155, 34980, 36570, 37260, 40227, 40986, 42930, 43884, 45540, 47223, 52470, 53636, 54855, 62964, 65826, 67045, 68310, 73140, 78705, 80454, 81972, 85860, 94446, 98739, 102465, 104940, 109710, 120681, 131652, 134090, 136620, 157410, 160908, 164565, 188892, 197478, 201135, 204930, 219420, 236115, 241362, 268180, 314820, 329130, 362043, 394956, 402270, 409860, 472230, 482724, 493695, 603405, 658260, 724086, 804540, 944460, 987390, 1086129, 1206810, 1448172, 1810215, 1974780, 2172258, 2413620, 3620430, 4344516, 5430645, 7240860, 10861290, 21722580]

約数ペア:

[(1, 21722580), (2, 10861290), (3, 7240860), (4, 5430645), (5, 4344516), (6, 3620430), (9, 2413620), (10, 2172258), (11, 1974780), (12, 1810215), (15, 1448172), (18, 1206810), (20, 1086129), (22, 987390), (23, 944460), (27, 804540), (30, 724086), (33, 658260), (36, 603405), (44, 493695), (45, 482724), (46, 472230), (53, 409860), (54, 402270), (55, 394956), (60, 362043), (66, 329130), (69, 314820), (81, 268180), (90, 241362), (92, 236115), (99, 219420), (106, 204930), (108, 201135), (110, 197478), (115, 188892), (132, 164565), (135, 160908), (138, 157410), (159, 136620), (162, 134090), (165, 131652), (180, 120681), (198, 109710), (207, 104940), (212, 102465), (220, 98739), (230, 94446), (253, 85860), (265, 81972), (270, 80454), (276, 78705), (297, 73140), (318, 68310), (324, 67045), (330, 65826), (345, 62964), (396, 54855), (405, 53636), (414, 52470), (460, 47223), (477, 45540), (495, 43884), (506, 42930), (530, 40986), (540, 40227), (583, 37260), (594, 36570), (621, 34980), (636, 34155), (660, 32913), (690, 31482), (759, 28620), (795, 27324), (810, 26818), (828, 26235), (891, 24380), (954, 22770), (990, 21942), (1012, 21465), (1035, 20988), (1060, 20493), (1166, 18630), (1188, 18285), (1219, 17820), (1242, 17490), (1265, 17172), (1380, 15741), (1431, 15180), (1485, 14628), (1518, 14310), (1590, 13662), (1620, 13409), (1749, 12420), (1782, 12190), (1863, 11660), (1908, 11385), (1980, 10971), (2070, 10494), (2277, 9540), (2332, 9315), (2385, 9108), (2438, 8910), (2484, 8745), (2530, 8586), (2862, 7590), (2915, 7452), (2970, 7314), (3036, 7155), (3105, 6996), (3180, 6831), (3498, 6210), (3564, 6095), (3657, 5940), (3726, 5830), (3795, 5724), (4140, 5247), (4293, 5060), (4455, 4876), (4554, 4770)]