21631928

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{65951}}^1$

素因数の和:65998

約数の個数: 16

約数和(自身を含む): 41549760

約数和(自身を除く): 19917832

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 65951, 131902, 263804, 527608, 2703991, 5407982, 10815964, 21631928]

約数ペア:

[(1, 21631928), (2, 10815964), (4, 5407982), (8, 2703991), (41, 527608), (82, 263804), (164, 131902), (328, 65951)]