20211318

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1317

約数の個数: 48

約数和(自身を含む): 46800000

約数和(自身を除く): 26588682

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 58, 62, 87, 93, 174, 186, 261, 279, 522, 558, 899, 1249, 1798, 2498, 2697, 3747, 5394, 7494, 8091, 11241, 16182, 22482, 36221, 38719, 72442, 77438, 108663, 116157, 217326, 232314, 325989, 348471, 651978, 696942, 1122851, 2245702, 3368553, 6737106, 10105659, 20211318]

約数ペア:

[(1, 20211318), (2, 10105659), (3, 6737106), (6, 3368553), (9, 2245702), (18, 1122851), (29, 696942), (31, 651978), (58, 348471), (62, 325989), (87, 232314), (93, 217326), (174, 116157), (186, 108663), (261, 77438), (279, 72442), (522, 38719), (558, 36221), (899, 22482), (1249, 16182), (1798, 11241), (2498, 8091), (2697, 7494), (3747, 5394)]