21491100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23879}}^1$

素因数の和:23899

約数の個数: 54

約数和(自身を含む): 67365480

約数和(自身を除く): 45874380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 23879, 47758, 71637, 95516, 119395, 143274, 214911, 238790, 286548, 358185, 429822, 477580, 596975, 716370, 859644, 1074555, 1193950, 1432740, 1790925, 2149110, 2387900, 3581850, 4298220, 5372775, 7163700, 10745550, 21491100]

約数ペア:

[(1, 21491100), (2, 10745550), (3, 7163700), (4, 5372775), (5, 4298220), (6, 3581850), (9, 2387900), (10, 2149110), (12, 1790925), (15, 1432740), (18, 1193950), (20, 1074555), (25, 859644), (30, 716370), (36, 596975), (45, 477580), (50, 429822), (60, 358185), (75, 286548), (90, 238790), (100, 214911), (150, 143274), (180, 119395), (225, 95516), (300, 71637), (450, 47758), (900, 23879)]