21948776

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1205

約数の個数: 32

約数和(自身を含む): 42887880

約数和(自身を除く): 20939104

約数列:

[1, 2, 4, 8, 41, 61, 82, 122, 164, 244, 328, 488, 1097, 2194, 2501, 4388, 5002, 8776, 10004, 20008, 44977, 66917, 89954, 133834, 179908, 267668, 359816, 535336, 2743597, 5487194, 10974388, 21948776]

約数ペア:

[(1, 21948776), (2, 10974388), (4, 5487194), (8, 2743597), (41, 535336), (61, 359816), (82, 267668), (122, 179908), (164, 133834), (244, 89954), (328, 66917), (488, 44977), (1097, 20008), (2194, 10004), (2501, 8776), (4388, 5002)]