21162900

素因数分解:

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

素因数の和:103

約数の個数: 144

約数和(自身を含む): 68620608

約数和(自身を除く): 47457708

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 53, 55, 60, 66, 75, 100, 106, 110, 121, 132, 150, 159, 165, 212, 220, 242, 265, 275, 300, 318, 330, 363, 484, 530, 550, 583, 605, 636, 660, 726, 795, 825, 1060, 1100, 1166, 1210, 1325, 1331, 1452, 1590, 1650, 1749, 1815, 2332, 2420, 2650, 2662, 2915, 3025, 3180, 3300, 3498, 3630, 3975, 3993, 5300, 5324, 5830, 6050, 6413, 6655, 6996, 7260, 7950, 7986, 8745, 9075, 11660, 12100, 12826, 13310, 14575, 15900, 15972, 17490, 18150, 19239, 19965, 25652, 26620, 29150, 32065, 33275, 34980, 36300, 38478, 39930, 43725, 58300, 64130, 66550, 70543, 76956, 79860, 87450, 96195, 99825, 128260, 133100, 141086, 160325, 174900, 192390, 199650, 211629, 282172, 320650, 352715, 384780, 399300, 423258, 480975, 641300, 705430, 846516, 961950, 1058145, 1410860, 1763575, 1923900, 2116290, 3527150, 4232580, 5290725, 7054300, 10581450, 21162900]

約数ペア:

[(1, 21162900), (2, 10581450), (3, 7054300), (4, 5290725), (5, 4232580), (6, 3527150), (10, 2116290), (11, 1923900), (12, 1763575), (15, 1410860), (20, 1058145), (22, 961950), (25, 846516), (30, 705430), (33, 641300), (44, 480975), (50, 423258), (53, 399300), (55, 384780), (60, 352715), (66, 320650), (75, 282172), (100, 211629), (106, 199650), (110, 192390), (121, 174900), (132, 160325), (150, 141086), (159, 133100), (165, 128260), (212, 99825), (220, 96195), (242, 87450), (265, 79860), (275, 76956), (300, 70543), (318, 66550), (330, 64130), (363, 58300), (484, 43725), (530, 39930), (550, 38478), (583, 36300), (605, 34980), (636, 33275), (660, 32065), (726, 29150), (795, 26620), (825, 25652), (1060, 19965), (1100, 19239), (1166, 18150), (1210, 17490), (1325, 15972), (1331, 15900), (1452, 14575), (1590, 13310), (1650, 12826), (1749, 12100), (1815, 11660), (2332, 9075), (2420, 8745), (2650, 7986), (2662, 7950), (2915, 7260), (3025, 6996), (3180, 6655), (3300, 6413), (3498, 6050), (3630, 5830), (3975, 5324), (3993, 5300)]