21957996

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 54320000

約数和(自身を除く): 32362004

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 193, 228, 386, 499, 579, 772, 998, 1158, 1497, 1996, 2316, 2994, 3667, 5988, 7334, 9481, 11001, 14668, 18962, 22002, 28443, 37924, 44004, 56886, 96307, 113772, 192614, 288921, 385228, 577842, 1155684, 1829833, 3659666, 5489499, 7319332, 10978998, 21957996]

約数ペア:

[(1, 21957996), (2, 10978998), (3, 7319332), (4, 5489499), (6, 3659666), (12, 1829833), (19, 1155684), (38, 577842), (57, 385228), (76, 288921), (114, 192614), (193, 113772), (228, 96307), (386, 56886), (499, 44004), (579, 37924), (772, 28443), (998, 22002), (1158, 18962), (1497, 14668), (1996, 11001), (2316, 9481), (2994, 7334), (3667, 5988)]