21879045

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3769}}^1$

素因数の和:3826

約数の個数: 32

約数和(自身を含む): 39811200

約数和(自身を除く): 17932155

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 3769, 5805, 11307, 18845, 33921, 56535, 101763, 162067, 169605, 486201, 508815, 810335, 1458603, 2431005, 4375809, 7293015, 21879045]

約数ペア:

[(1, 21879045), (3, 7293015), (5, 4375809), (9, 2431005), (15, 1458603), (27, 810335), (43, 508815), (45, 486201), (129, 169605), (135, 162067), (215, 101763), (387, 56535), (645, 33921), (1161, 18845), (1935, 11307), (3769, 5805)]