21798678

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7681}}^1$

素因数の和:7740

約数の個数: 32

約数和(自身を含む): 48673152

約数和(自身を除く): 26874474

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 7681, 15362, 23043, 46086, 84491, 168982, 253473, 330283, 506946, 660566, 990849, 1981698, 3633113, 7266226, 10899339, 21798678]

約数ペア:

[(1, 21798678), (2, 10899339), (3, 7266226), (6, 3633113), (11, 1981698), (22, 990849), (33, 660566), (43, 506946), (66, 330283), (86, 253473), (129, 168982), (258, 84491), (473, 46086), (946, 23043), (1419, 15362), (2838, 7681)]