21550408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12889}}^1$

素因数の和:12925

約数の個数: 32

約数和(自身を含む): 46404000

約数和(自身を除く): 24853592

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12889, 25778, 51556, 103112, 141779, 244891, 283558, 489782, 567116, 979564, 1134232, 1959128, 2693801, 5387602, 10775204, 21550408]

約数ペア:

[(1, 21550408), (2, 10775204), (4, 5387602), (8, 2693801), (11, 1959128), (19, 1134232), (22, 979564), (38, 567116), (44, 489782), (76, 283558), (88, 244891), (152, 141779), (209, 103112), (418, 51556), (836, 25778), (1672, 12889)]