22521380

素因数分解:

$2^2\times 5^1\times 7^5\times {\mathrm{67}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 56000448

約数和(自身を除く): 33479068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 343, 469, 490, 670, 686, 938, 980, 1340, 1372, 1715, 1876, 2345, 2401, 3283, 3430, 4690, 4802, 6566, 6860, 9380, 9604, 12005, 13132, 16415, 16807, 22981, 24010, 32830, 33614, 45962, 48020, 65660, 67228, 84035, 91924, 114905, 160867, 168070, 229810, 321734, 336140, 459620, 643468, 804335, 1126069, 1608670, 2252138, 3217340, 4504276, 5630345, 11260690, 22521380]

約数ペア:

[(1, 22521380), (2, 11260690), (4, 5630345), (5, 4504276), (7, 3217340), (10, 2252138), (14, 1608670), (20, 1126069), (28, 804335), (35, 643468), (49, 459620), (67, 336140), (70, 321734), (98, 229810), (134, 168070), (140, 160867), (196, 114905), (245, 91924), (268, 84035), (335, 67228), (343, 65660), (469, 48020), (490, 45962), (670, 33614), (686, 32830), (938, 24010), (980, 22981), (1340, 16807), (1372, 16415), (1715, 13132), (1876, 12005), (2345, 9604), (2401, 9380), (3283, 6860), (3430, 6566), (4690, 4802)]