21995838

素因数分解:

$2^1\times 3^2\times {\mathrm{197}}^1\times {\mathrm{6203}}^1$

素因数の和:6408

約数の個数: 24

約数和(自身を含む): 47907288

約数和(自身を除く): 25911450

約数列:

[1, 2, 3, 6, 9, 18, 197, 394, 591, 1182, 1773, 3546, 6203, 12406, 18609, 37218, 55827, 111654, 1221991, 2443982, 3665973, 7331946, 10997919, 21995838]

約数ペア:

[(1, 21995838), (2, 10997919), (3, 7331946), (6, 3665973), (9, 2443982), (18, 1221991), (197, 111654), (394, 55827), (591, 37218), (1182, 18609), (1773, 12406), (3546, 6203)]