21898006

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 39053664

約数和(自身を除く): 17155658

約数列:

[1, 2, 13, 17, 26, 34, 37, 74, 103, 169, 206, 221, 338, 442, 481, 629, 962, 1258, 1339, 1751, 2678, 2873, 3502, 3811, 5746, 6253, 7622, 8177, 12506, 16354, 17407, 22763, 34814, 45526, 49543, 64787, 99086, 106301, 129574, 212602, 295919, 591838, 644059, 842231, 1288118, 1684462, 10949003, 21898006]

約数ペア:

[(1, 21898006), (2, 10949003), (13, 1684462), (17, 1288118), (26, 842231), (34, 644059), (37, 591838), (74, 295919), (103, 212602), (169, 129574), (206, 106301), (221, 99086), (338, 64787), (442, 49543), (481, 45526), (629, 34814), (962, 22763), (1258, 17407), (1339, 16354), (1751, 12506), (2678, 8177), (2873, 7622), (3502, 6253), (3811, 5746)]