21990959986

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1\times {\mathrm{304981}}^1$

素因数の和:306177

約数の個数: 16

約数和(自身を含む): 34079908608

約数和(自身を除く): 12088948622

約数列:

[1, 2, 31, 62, 1163, 2326, 36053, 72106, 304981, 609962, 9454411, 18908822, 354692903, 709385806, 10995479993, 21990959986]

約数ペア:

[(1, 21990959986), (2, 10995479993), (31, 709385806), (62, 354692903), (1163, 18908822), (2326, 9454411), (36053, 609962), (72106, 304981)]