21068520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1451}}^1$

素因数の和:1487

約数の個数: 96

約数和(自身を含む): 69521760

約数和(自身を除く): 48453240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 605, 660, 726, 968, 1210, 1320, 1451, 1452, 1815, 2420, 2902, 2904, 3630, 4353, 4840, 5804, 7255, 7260, 8706, 11608, 14510, 14520, 15961, 17412, 21765, 29020, 31922, 34824, 43530, 47883, 58040, 63844, 79805, 87060, 95766, 127688, 159610, 174120, 175571, 191532, 239415, 319220, 351142, 383064, 478830, 526713, 638440, 702284, 877855, 957660, 1053426, 1404568, 1755710, 1915320, 2106852, 2633565, 3511420, 4213704, 5267130, 7022840, 10534260, 21068520]

約数ペア:

[(1, 21068520), (2, 10534260), (3, 7022840), (4, 5267130), (5, 4213704), (6, 3511420), (8, 2633565), (10, 2106852), (11, 1915320), (12, 1755710), (15, 1404568), (20, 1053426), (22, 957660), (24, 877855), (30, 702284), (33, 638440), (40, 526713), (44, 478830), (55, 383064), (60, 351142), (66, 319220), (88, 239415), (110, 191532), (120, 175571), (121, 174120), (132, 159610), (165, 127688), (220, 95766), (242, 87060), (264, 79805), (330, 63844), (363, 58040), (440, 47883), (484, 43530), (605, 34824), (660, 31922), (726, 29020), (968, 21765), (1210, 17412), (1320, 15961), (1451, 14520), (1452, 14510), (1815, 11608), (2420, 8706), (2902, 7260), (2904, 7255), (3630, 5804), (4353, 4840)]