21623760

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 200

約数和(自身を含む): 77780736

約数和(自身を除く): 56156976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 47, 48, 54, 60, 71, 72, 80, 81, 90, 94, 108, 120, 135, 141, 142, 144, 162, 180, 188, 213, 216, 235, 240, 270, 282, 284, 324, 355, 360, 376, 405, 423, 426, 432, 470, 540, 564, 568, 639, 648, 705, 710, 720, 752, 810, 846, 852, 940, 1065, 1080, 1128, 1136, 1269, 1278, 1296, 1410, 1420, 1620, 1692, 1704, 1880, 1917, 2115, 2130, 2160, 2256, 2538, 2556, 2820, 2840, 3195, 3240, 3337, 3384, 3408, 3760, 3807, 3834, 4230, 4260, 5076, 5112, 5640, 5680, 5751, 6345, 6390, 6480, 6674, 6768, 7614, 7668, 8460, 8520, 9585, 10011, 10152, 10224, 11280, 11502, 12690, 12780, 13348, 15228, 15336, 16685, 16920, 17040, 19035, 19170, 20022, 20304, 23004, 25380, 25560, 26696, 28755, 30033, 30456, 30672, 33370, 33840, 38070, 38340, 40044, 46008, 50055, 50760, 51120, 53392, 57510, 60066, 60912, 66740, 76140, 76680, 80088, 90099, 92016, 100110, 101520, 115020, 120132, 133480, 150165, 152280, 153360, 160176, 180198, 200220, 230040, 240264, 266960, 270297, 300330, 304560, 360396, 400440, 450495, 460080, 480528, 540594, 600660, 720792, 800880, 900990, 1081188, 1201320, 1351485, 1441584, 1801980, 2162376, 2402640, 2702970, 3603960, 4324752, 5405940, 7207920, 10811880, 21623760]

約数ペア:

[(1, 21623760), (2, 10811880), (3, 7207920), (4, 5405940), (5, 4324752), (6, 3603960), (8, 2702970), (9, 2402640), (10, 2162376), (12, 1801980), (15, 1441584), (16, 1351485), (18, 1201320), (20, 1081188), (24, 900990), (27, 800880), (30, 720792), (36, 600660), (40, 540594), (45, 480528), (47, 460080), (48, 450495), (54, 400440), (60, 360396), (71, 304560), (72, 300330), (80, 270297), (81, 266960), (90, 240264), (94, 230040), (108, 200220), (120, 180198), (135, 160176), (141, 153360), (142, 152280), (144, 150165), (162, 133480), (180, 120132), (188, 115020), (213, 101520), (216, 100110), (235, 92016), (240, 90099), (270, 80088), (282, 76680), (284, 76140), (324, 66740), (355, 60912), (360, 60066), (376, 57510), (405, 53392), (423, 51120), (426, 50760), (432, 50055), (470, 46008), (540, 40044), (564, 38340), (568, 38070), (639, 33840), (648, 33370), (705, 30672), (710, 30456), (720, 30033), (752, 28755), (810, 26696), (846, 25560), (852, 25380), (940, 23004), (1065, 20304), (1080, 20022), (1128, 19170), (1136, 19035), (1269, 17040), (1278, 16920), (1296, 16685), (1410, 15336), (1420, 15228), (1620, 13348), (1692, 12780), (1704, 12690), (1880, 11502), (1917, 11280), (2115, 10224), (2130, 10152), (2160, 10011), (2256, 9585), (2538, 8520), (2556, 8460), (2820, 7668), (2840, 7614), (3195, 6768), (3240, 6674), (3337, 6480), (3384, 6390), (3408, 6345), (3760, 5751), (3807, 5680), (3834, 5640), (4230, 5112), (4260, 5076)]