21777782

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1699}}^1$

素因数の和:1760

約数の個数: 32

約数和(自身を含む): 38556000

約数和(自身を除く): 16778218

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 221, 377, 442, 493, 754, 986, 1699, 3398, 6409, 12818, 22087, 28883, 44174, 49271, 57766, 98542, 375479, 640523, 750958, 837607, 1281046, 1675214, 10888891, 21777782]

約数ペア:

[(1, 21777782), (2, 10888891), (13, 1675214), (17, 1281046), (26, 837607), (29, 750958), (34, 640523), (58, 375479), (221, 98542), (377, 57766), (442, 49271), (493, 44174), (754, 28883), (986, 22087), (1699, 12818), (3398, 6409)]