21537130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{839}}^1$

素因数の和:1014

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 19831190

約数列:

[1, 2, 5, 10, 17, 34, 85, 151, 170, 302, 755, 839, 1510, 1678, 2567, 4195, 5134, 8390, 12835, 14263, 25670, 28526, 71315, 126689, 142630, 253378, 633445, 1266890, 2153713, 4307426, 10768565, 21537130]

約数ペア:

[(1, 21537130), (2, 10768565), (5, 4307426), (10, 2153713), (17, 1266890), (34, 633445), (85, 253378), (151, 142630), (170, 126689), (302, 71315), (755, 28526), (839, 25670), (1510, 14263), (1678, 12835), (2567, 8390), (4195, 5134)]