21905062

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 36702720

約数和(自身を除く): 14797658

約数列:

[1, 2, 19, 23, 38, 46, 71, 142, 353, 437, 706, 874, 1349, 1633, 2698, 3266, 6707, 8119, 13414, 16238, 25063, 31027, 50126, 62054, 154261, 308522, 476197, 576449, 952394, 1152898, 10952531, 21905062]

約数ペア:

[(1, 21905062), (2, 10952531), (19, 1152898), (23, 952394), (38, 576449), (46, 476197), (71, 308522), (142, 154261), (353, 62054), (437, 50126), (706, 31027), (874, 25063), (1349, 16238), (1633, 13414), (2698, 8119), (3266, 6707)]