21299572

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1543}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 46690560

約数和(自身を除く): 25390988

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 58, 68, 116, 119, 203, 238, 406, 476, 493, 812, 986, 1543, 1972, 3086, 3451, 6172, 6902, 10801, 13804, 21602, 26231, 43204, 44747, 52462, 89494, 104924, 178988, 183617, 313229, 367234, 626458, 734468, 760699, 1252916, 1521398, 3042796, 5324893, 10649786, 21299572]

約数ペア:

[(1, 21299572), (2, 10649786), (4, 5324893), (7, 3042796), (14, 1521398), (17, 1252916), (28, 760699), (29, 734468), (34, 626458), (58, 367234), (68, 313229), (116, 183617), (119, 178988), (203, 104924), (238, 89494), (406, 52462), (476, 44747), (493, 43204), (812, 26231), (986, 21602), (1543, 13804), (1972, 10801), (3086, 6902), (3451, 6172)]