21600748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 42602560

約数和(自身を除く): 21001812

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 103, 109, 148, 206, 218, 412, 436, 481, 962, 1339, 1417, 1924, 2678, 2834, 3811, 4033, 5356, 5668, 7622, 8066, 11227, 15244, 16132, 22454, 44908, 49543, 52429, 99086, 104858, 145951, 198172, 209716, 291902, 415399, 583804, 830798, 1661596, 5400187, 10800374, 21600748]

約数ペア:

[(1, 21600748), (2, 10800374), (4, 5400187), (13, 1661596), (26, 830798), (37, 583804), (52, 415399), (74, 291902), (103, 209716), (109, 198172), (148, 145951), (206, 104858), (218, 99086), (412, 52429), (436, 49543), (481, 44908), (962, 22454), (1339, 16132), (1417, 15244), (1924, 11227), (2678, 8066), (2834, 7622), (3811, 5668), (4033, 5356)]