21541170056

素因数分解:

$2^3\times 7^1\times {\mathrm{9901}}^1\times {\mathrm{38851}}^1$

素因数の和:48765

約数の個数: 32

約数和(自身を含む): 46165500480

約数和(自身を除く): 24624330424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 9901, 19802, 38851, 39604, 69307, 77702, 79208, 138614, 155404, 271957, 277228, 310808, 543914, 554456, 1087828, 2175656, 384663751, 769327502, 1538655004, 2692646257, 3077310008, 5385292514, 10770585028, 21541170056]

約数ペア:

[(1, 21541170056), (2, 10770585028), (4, 5385292514), (7, 3077310008), (8, 2692646257), (14, 1538655004), (28, 769327502), (56, 384663751), (9901, 2175656), (19802, 1087828), (38851, 554456), (39604, 543914), (69307, 310808), (77702, 277228), (79208, 271957), (138614, 155404)]