21854470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3257}}^1$

素因数の和:3336

約数の個数: 32

約数和(自身を含む): 43631136

約数和(自身を除く): 21776666

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3257, 3355, 6514, 6710, 16285, 32570, 35827, 71654, 179135, 198677, 358270, 397354, 993385, 1986770, 2185447, 4370894, 10927235, 21854470]

約数ペア:

[(1, 21854470), (2, 10927235), (5, 4370894), (10, 2185447), (11, 1986770), (22, 993385), (55, 397354), (61, 358270), (110, 198677), (122, 179135), (305, 71654), (610, 35827), (671, 32570), (1342, 16285), (3257, 6710), (3355, 6514)]