21659736

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{563}}^1$

素因数の和:808

約数の個数: 64

約数和(自身を含む): 62265600

約数和(自身を除く): 40605864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 229, 458, 563, 687, 916, 1126, 1374, 1603, 1689, 1832, 2252, 2748, 3206, 3378, 3941, 4504, 4809, 5496, 6412, 6756, 7882, 9618, 11823, 12824, 13512, 15764, 19236, 23646, 31528, 38472, 47292, 94584, 128927, 257854, 386781, 515708, 773562, 902489, 1031416, 1547124, 1804978, 2707467, 3094248, 3609956, 5414934, 7219912, 10829868, 21659736]

約数ペア:

[(1, 21659736), (2, 10829868), (3, 7219912), (4, 5414934), (6, 3609956), (7, 3094248), (8, 2707467), (12, 1804978), (14, 1547124), (21, 1031416), (24, 902489), (28, 773562), (42, 515708), (56, 386781), (84, 257854), (168, 128927), (229, 94584), (458, 47292), (563, 38472), (687, 31528), (916, 23646), (1126, 19236), (1374, 15764), (1603, 13512), (1689, 12824), (1832, 11823), (2252, 9618), (2748, 7882), (3206, 6756), (3378, 6412), (3941, 5496), (4504, 4809)]