21220188

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8461}}^1$

素因数の和:8498

約数の個数: 48

約数和(自身を含む): 56864640

約数和(自身を除く): 35644452

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 132, 209, 228, 418, 627, 836, 1254, 2508, 8461, 16922, 25383, 33844, 50766, 93071, 101532, 160759, 186142, 279213, 321518, 372284, 482277, 558426, 643036, 964554, 1116852, 1768349, 1929108, 3536698, 5305047, 7073396, 10610094, 21220188]

約数ペア:

[(1, 21220188), (2, 10610094), (3, 7073396), (4, 5305047), (6, 3536698), (11, 1929108), (12, 1768349), (19, 1116852), (22, 964554), (33, 643036), (38, 558426), (44, 482277), (57, 372284), (66, 321518), (76, 279213), (114, 186142), (132, 160759), (209, 101532), (228, 93071), (418, 50766), (627, 33844), (836, 25383), (1254, 16922), (2508, 8461)]