21483940

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1741}}^1$

素因数の和:2367

約数の個数: 24

約数和(自身を含む): 45215352

約数和(自身を除く): 23731412

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 1741, 2468, 3085, 3482, 6170, 6964, 8705, 12340, 17410, 34820, 1074197, 2148394, 4296788, 5370985, 10741970, 21483940]

約数ペア:

[(1, 21483940), (2, 10741970), (4, 5370985), (5, 4296788), (10, 2148394), (20, 1074197), (617, 34820), (1234, 17410), (1741, 12340), (2468, 8705), (3085, 6964), (3482, 6170)]