21222890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2767}}^1$

素因数の和:2846

約数の個数: 32

約数和(自身を含む): 41852160

約数和(自身を除く): 20629270

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 1534, 2767, 3835, 5534, 7670, 13835, 27670, 35971, 71942, 163253, 179855, 326506, 359710, 816265, 1632530, 2122289, 4244578, 10611445, 21222890]

約数ペア:

[(1, 21222890), (2, 10611445), (5, 4244578), (10, 2122289), (13, 1632530), (26, 816265), (59, 359710), (65, 326506), (118, 179855), (130, 163253), (295, 71942), (590, 35971), (767, 27670), (1534, 13835), (2767, 7670), (3835, 5534)]