21510837840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4717289}}^1$

素因数の和:4717324

約数の個数: 80

約数和(自身を含む): 70193275200

約数和(自身を除く): 48682437360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 4717289, 9434578, 14151867, 18869156, 23586445, 28303734, 37738312, 47172890, 56607468, 70759335, 75476624, 89628491, 94345780, 113214936, 141518670, 179256982, 188691560, 226429872, 268885473, 283037340, 358513964, 377383120, 448142455, 537770946, 566074680, 717027928, 896284910, 1075541892, 1132149360, 1344427365, 1434055856, 1792569820, 2151083784, 2688854730, 3585139640, 4302167568, 5377709460, 7170279280, 10755418920, 21510837840]

約数ペア:

[(1, 21510837840), (2, 10755418920), (3, 7170279280), (4, 5377709460), (5, 4302167568), (6, 3585139640), (8, 2688854730), (10, 2151083784), (12, 1792569820), (15, 1434055856), (16, 1344427365), (19, 1132149360), (20, 1075541892), (24, 896284910), (30, 717027928), (38, 566074680), (40, 537770946), (48, 448142455), (57, 377383120), (60, 358513964), (76, 283037340), (80, 268885473), (95, 226429872), (114, 188691560), (120, 179256982), (152, 141518670), (190, 113214936), (228, 94345780), (240, 89628491), (285, 75476624), (304, 70759335), (380, 56607468), (456, 47172890), (570, 37738312), (760, 28303734), (912, 23586445), (1140, 18869156), (1520, 14151867), (2280, 9434578), (4560, 4717289)]