21584674

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{1297}}^1$

素因数の和:1509

約数の個数: 16

約数和(自身を含む): 33223608

約数和(自身を除く): 11638934

約数列:

[1, 2, 53, 106, 157, 314, 1297, 2594, 8321, 16642, 68741, 137482, 203629, 407258, 10792337, 21584674]

約数ペア:

[(1, 21584674), (2, 10792337), (53, 407258), (106, 203629), (157, 137482), (314, 68741), (1297, 16642), (2594, 8321)]