21895808

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{15551}}^1$

素因数の和:15576

約数の個数: 32

約数和(自身を含む): 47589120

約数和(自身を除く): 25693312

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 15551, 31102, 62204, 124408, 171061, 248816, 342122, 497632, 684244, 995264, 1368488, 1990528, 2736976, 5473952, 10947904, 21895808]

約数ペア:

[(1, 21895808), (2, 10947904), (4, 5473952), (8, 2736976), (11, 1990528), (16, 1368488), (22, 995264), (32, 684244), (44, 497632), (64, 342122), (88, 248816), (128, 171061), (176, 124408), (352, 62204), (704, 31102), (1408, 15551)]