21936700760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42185963}}^1$

素因数の和:42185987

約数の個数: 32

約数和(自身を含む): 53154314640

約数和(自身を除く): 31217613880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 42185963, 84371926, 168743852, 210929815, 337487704, 421859630, 548417519, 843719260, 1096835038, 1687438520, 2193670076, 2742087595, 4387340152, 5484175190, 10968350380, 21936700760]

約数ペア:

[(1, 21936700760), (2, 10968350380), (4, 5484175190), (5, 4387340152), (8, 2742087595), (10, 2193670076), (13, 1687438520), (20, 1096835038), (26, 843719260), (40, 548417519), (52, 421859630), (65, 337487704), (104, 210929815), (130, 168743852), (260, 84371926), (520, 42185963)]