21088210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14747}}^1$

素因数の和:14778

約数の個数: 32

約数和(自身を含む): 44597952

約数和(自身を除く): 23509742

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14747, 29494, 73735, 147470, 162217, 191711, 324434, 383422, 811085, 958555, 1622170, 1917110, 2108821, 4217642, 10544105, 21088210]

約数ペア:

[(1, 21088210), (2, 10544105), (5, 4217642), (10, 2108821), (11, 1917110), (13, 1622170), (22, 958555), (26, 811085), (55, 383422), (65, 324434), (110, 191711), (130, 162217), (143, 147470), (286, 73735), (715, 29494), (1430, 14747)]