21033420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1213}}^1$

素因数の和:1259

約数の個数: 72

約数和(自身を含む): 62613264

約数和(自身を除く): 41579844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1156, 1213, 1445, 1734, 2426, 2890, 3468, 3639, 4335, 4852, 5780, 6065, 7278, 8670, 12130, 14556, 17340, 18195, 20621, 24260, 36390, 41242, 61863, 72780, 82484, 103105, 123726, 206210, 247452, 309315, 350557, 412420, 618630, 701114, 1051671, 1237260, 1402228, 1752785, 2103342, 3505570, 4206684, 5258355, 7011140, 10516710, 21033420]

約数ペア:

[(1, 21033420), (2, 10516710), (3, 7011140), (4, 5258355), (5, 4206684), (6, 3505570), (10, 2103342), (12, 1752785), (15, 1402228), (17, 1237260), (20, 1051671), (30, 701114), (34, 618630), (51, 412420), (60, 350557), (68, 309315), (85, 247452), (102, 206210), (170, 123726), (204, 103105), (255, 82484), (289, 72780), (340, 61863), (510, 41242), (578, 36390), (867, 24260), (1020, 20621), (1156, 18195), (1213, 17340), (1445, 14556), (1734, 12130), (2426, 8670), (2890, 7278), (3468, 6065), (3639, 5780), (4335, 4852)]