21884230

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 40544064

約数和(自身を除く): 18659834

約数列:

[1, 2, 5, 10, 53, 106, 157, 263, 265, 314, 526, 530, 785, 1315, 1570, 2630, 8321, 13939, 16642, 27878, 41291, 41605, 69695, 82582, 83210, 139390, 206455, 412910, 2188423, 4376846, 10942115, 21884230]

約数ペア:

[(1, 21884230), (2, 10942115), (5, 4376846), (10, 2188423), (53, 412910), (106, 206455), (157, 139390), (263, 83210), (265, 82582), (314, 69695), (526, 41605), (530, 41291), (785, 27878), (1315, 16642), (1570, 13939), (2630, 8321)]