21550168

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 41310000

約数和(自身を除く): 19759832

約数列:

[1, 2, 4, 8, 101, 149, 179, 202, 298, 358, 404, 596, 716, 808, 1192, 1432, 15049, 18079, 26671, 30098, 36158, 53342, 60196, 72316, 106684, 120392, 144632, 213368, 2693771, 5387542, 10775084, 21550168]

約数ペア:

[(1, 21550168), (2, 10775084), (4, 5387542), (8, 2693771), (101, 213368), (149, 144632), (179, 120392), (202, 106684), (298, 72316), (358, 60196), (404, 53342), (596, 36158), (716, 30098), (808, 26671), (1192, 18079), (1432, 15049)]