21919528

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3041}}^1$

素因数の和:3117

約数の個数: 32

約数和(自身を含む): 44352360

約数和(自身を除く): 22432832

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 3041, 3604, 6082, 7208, 12164, 24328, 51697, 103394, 161173, 206788, 322346, 413576, 644692, 1289384, 2739941, 5479882, 10959764, 21919528]

約数ペア:

[(1, 21919528), (2, 10959764), (4, 5479882), (8, 2739941), (17, 1289384), (34, 644692), (53, 413576), (68, 322346), (106, 206788), (136, 161173), (212, 103394), (424, 51697), (901, 24328), (1802, 12164), (3041, 7208), (3604, 6082)]