21392124

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{569}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 54072480

約数和(自身を除く): 32680356

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 241, 482, 569, 723, 964, 1138, 1446, 1707, 2276, 2892, 3133, 3414, 6266, 6828, 7397, 9399, 12532, 14794, 18798, 22191, 29588, 37596, 44382, 88764, 137129, 274258, 411387, 548516, 822774, 1645548, 1782677, 3565354, 5348031, 7130708, 10696062, 21392124]

約数ペア:

[(1, 21392124), (2, 10696062), (3, 7130708), (4, 5348031), (6, 3565354), (12, 1782677), (13, 1645548), (26, 822774), (39, 548516), (52, 411387), (78, 274258), (156, 137129), (241, 88764), (482, 44382), (569, 37596), (723, 29588), (964, 22191), (1138, 18798), (1446, 14794), (1707, 12532), (2276, 9399), (2892, 7397), (3133, 6828), (3414, 6266)]