21035696

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2543}}^1$

素因数の和:2609

約数の個数: 40

約数和(自身を含む): 45425664

約数和(自身を除く): 24389968

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 94, 176, 188, 376, 517, 752, 1034, 2068, 2543, 4136, 5086, 8272, 10172, 20344, 27973, 40688, 55946, 111892, 119521, 223784, 239042, 447568, 478084, 956168, 1314731, 1912336, 2629462, 5258924, 10517848, 21035696]

約数ペア:

[(1, 21035696), (2, 10517848), (4, 5258924), (8, 2629462), (11, 1912336), (16, 1314731), (22, 956168), (44, 478084), (47, 447568), (88, 239042), (94, 223784), (176, 119521), (188, 111892), (376, 55946), (517, 40688), (752, 27973), (1034, 20344), (2068, 10172), (2543, 8272), (4136, 5086)]