21604544

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1129}}^1$

素因数の和:1177

約数の個数: 56

約数和(自身を含む): 48219360

約数和(自身を除く): 26614816

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 184, 208, 299, 368, 416, 598, 736, 832, 1129, 1196, 1472, 2258, 2392, 4516, 4784, 9032, 9568, 14677, 18064, 19136, 25967, 29354, 36128, 51934, 58708, 72256, 103868, 117416, 207736, 234832, 337571, 415472, 469664, 675142, 830944, 939328, 1350284, 1661888, 2700568, 5401136, 10802272, 21604544]

約数ペア:

[(1, 21604544), (2, 10802272), (4, 5401136), (8, 2700568), (13, 1661888), (16, 1350284), (23, 939328), (26, 830944), (32, 675142), (46, 469664), (52, 415472), (64, 337571), (92, 234832), (104, 207736), (184, 117416), (208, 103868), (299, 72256), (368, 58708), (416, 51934), (598, 36128), (736, 29354), (832, 25967), (1129, 19136), (1196, 18064), (1472, 14677), (2258, 9568), (2392, 9032), (4516, 4784)]