21553869813

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{33108863}}^1$

素因数の和:33108904

約数の個数: 16

約数和(自身を含む): 33903476736

約数和(自身を除く): 12349606923

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 33108863, 99326589, 231762041, 695286123, 1026374753, 3079124259, 7184623271, 21553869813]

約数ペア:

[(1, 21553869813), (3, 7184623271), (7, 3079124259), (21, 1026374753), (31, 695286123), (93, 231762041), (217, 99326589), (651, 33108863)]