21133630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9739}}^1$

素因数の和:9784

約数の個数: 32

約数和(自身を含む): 44881920

約数和(自身を除く): 23748290

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9739, 19478, 48695, 68173, 97390, 136346, 301909, 340865, 603818, 681730, 1509545, 2113363, 3019090, 4226726, 10566815, 21133630]

約数ペア:

[(1, 21133630), (2, 10566815), (5, 4226726), (7, 3019090), (10, 2113363), (14, 1509545), (31, 681730), (35, 603818), (62, 340865), (70, 301909), (155, 136346), (217, 97390), (310, 68173), (434, 48695), (1085, 19478), (2170, 9739)]