21791742

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{379}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 51327360

約数和(自身を除く): 29535618

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 379, 518, 758, 777, 1137, 1369, 1554, 2274, 2653, 2738, 4107, 5306, 7959, 8214, 9583, 14023, 15918, 19166, 28046, 28749, 42069, 57498, 84138, 98161, 196322, 294483, 518851, 588966, 1037702, 1556553, 3113106, 3631957, 7263914, 10895871, 21791742]

約数ペア:

[(1, 21791742), (2, 10895871), (3, 7263914), (6, 3631957), (7, 3113106), (14, 1556553), (21, 1037702), (37, 588966), (42, 518851), (74, 294483), (111, 196322), (222, 98161), (259, 84138), (379, 57498), (518, 42069), (758, 28749), (777, 28046), (1137, 19166), (1369, 15918), (1554, 14023), (2274, 9583), (2653, 8214), (2738, 7959), (4107, 5306)]