21437490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2543}}^1$

素因数の和:2834

約数の個数: 32

約数和(自身を含む): 51653376

約数和(自身を除く): 30215886

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 281, 562, 843, 1405, 1686, 2543, 2810, 4215, 5086, 7629, 8430, 12715, 15258, 25430, 38145, 76290, 714583, 1429166, 2143749, 3572915, 4287498, 7145830, 10718745, 21437490]

約数ペア:

[(1, 21437490), (2, 10718745), (3, 7145830), (5, 4287498), (6, 3572915), (10, 2143749), (15, 1429166), (30, 714583), (281, 76290), (562, 38145), (843, 25430), (1405, 15258), (1686, 12715), (2543, 8430), (2810, 7629), (4215, 5086)]