21435525

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2027}}^1$

素因数の和:2090

約数の個数: 36

約数和(自身を含む): 39229632

約数和(自身を除く): 17794107

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 423, 705, 1175, 2027, 2115, 3525, 6081, 10135, 10575, 18243, 30405, 50675, 91215, 95269, 152025, 285807, 456075, 476345, 857421, 1429035, 2381725, 4287105, 7145175, 21435525]

約数ペア:

[(1, 21435525), (3, 7145175), (5, 4287105), (9, 2381725), (15, 1429035), (25, 857421), (45, 476345), (47, 456075), (75, 285807), (141, 152025), (225, 95269), (235, 91215), (423, 50675), (705, 30405), (1175, 18243), (2027, 10575), (2115, 10135), (3525, 6081)]