21258194

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 35271936

約数和(自身を除く): 14013742

約数列:

[1, 2, 17, 34, 47, 53, 94, 106, 251, 502, 799, 901, 1598, 1802, 2491, 4267, 4982, 8534, 11797, 13303, 23594, 26606, 42347, 84694, 200549, 226151, 401098, 452302, 625241, 1250482, 10629097, 21258194]

約数ペア:

[(1, 21258194), (2, 10629097), (17, 1250482), (34, 625241), (47, 452302), (53, 401098), (94, 226151), (106, 200549), (251, 84694), (502, 42347), (799, 26606), (901, 23594), (1598, 13303), (1802, 11797), (2491, 8534), (4267, 4982)]