21096619920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29300861}}^1$

素因数の和:29300880

約数の個数: 60

約数和(自身を含む): 70849484316

約数和(自身を除く): 49752864396

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29300861, 58601722, 87902583, 117203444, 146504305, 175805166, 234406888, 263707749, 293008610, 351610332, 439512915, 468813776, 527415498, 586017220, 703220664, 879025830, 1054830996, 1172034440, 1318538745, 1406441328, 1758051660, 2109661992, 2344068880, 2637077490, 3516103320, 4219323984, 5274154980, 7032206640, 10548309960, 21096619920]

約数ペア:

[(1, 21096619920), (2, 10548309960), (3, 7032206640), (4, 5274154980), (5, 4219323984), (6, 3516103320), (8, 2637077490), (9, 2344068880), (10, 2109661992), (12, 1758051660), (15, 1406441328), (16, 1318538745), (18, 1172034440), (20, 1054830996), (24, 879025830), (30, 703220664), (36, 586017220), (40, 527415498), (45, 468813776), (48, 439512915), (60, 351610332), (72, 293008610), (80, 263707749), (90, 234406888), (120, 175805166), (144, 146504305), (180, 117203444), (240, 87902583), (360, 58601722), (720, 29300861)]