21188230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 25467770

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 89, 95, 133, 178, 179, 190, 266, 358, 445, 623, 665, 890, 895, 1246, 1253, 1330, 1691, 1790, 2506, 3115, 3382, 3401, 6230, 6265, 6802, 8455, 11837, 12530, 15931, 16910, 17005, 23674, 23807, 31862, 34010, 47614, 59185, 79655, 111517, 118370, 119035, 159310, 223034, 238070, 302689, 557585, 605378, 1115170, 1513445, 2118823, 3026890, 4237646, 10594115, 21188230]

約数ペア:

[(1, 21188230), (2, 10594115), (5, 4237646), (7, 3026890), (10, 2118823), (14, 1513445), (19, 1115170), (35, 605378), (38, 557585), (70, 302689), (89, 238070), (95, 223034), (133, 159310), (178, 119035), (179, 118370), (190, 111517), (266, 79655), (358, 59185), (445, 47614), (623, 34010), (665, 31862), (890, 23807), (895, 23674), (1246, 17005), (1253, 16910), (1330, 15931), (1691, 12530), (1790, 11837), (2506, 8455), (3115, 6802), (3382, 6265), (3401, 6230)]