21163293884

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1097909}}^1$

素因数の和:1098053

約数の個数: 24

約数和(自身を含む): 38119435200

約数和(自身を除く): 16956141316

約数列:

[1, 2, 4, 61, 79, 122, 158, 244, 316, 4819, 9638, 19276, 1097909, 2195818, 4391636, 66972449, 86734811, 133944898, 173469622, 267889796, 346939244, 5290823471, 10581646942, 21163293884]

約数ペア:

[(1, 21163293884), (2, 10581646942), (4, 5290823471), (61, 346939244), (79, 267889796), (122, 173469622), (158, 133944898), (244, 86734811), (316, 66972449), (4819, 4391636), (9638, 2195818), (19276, 1097909)]