21564634

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2521}}^1$

素因数の和:2590

約数の個数: 32

約数和(自身を含む): 40674816

約数和(自身を除く): 19110182

約数列:

[1, 2, 7, 13, 14, 26, 47, 91, 94, 182, 329, 611, 658, 1222, 2521, 4277, 5042, 8554, 17647, 32773, 35294, 65546, 118487, 229411, 236974, 458822, 829409, 1540331, 1658818, 3080662, 10782317, 21564634]

約数ペア:

[(1, 21564634), (2, 10782317), (7, 3080662), (13, 1658818), (14, 1540331), (26, 829409), (47, 458822), (91, 236974), (94, 229411), (182, 118487), (329, 65546), (611, 35294), (658, 32773), (1222, 17647), (2521, 8554), (4277, 5042)]