21559590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18427}}^1$

素因数の和:18453

約数の個数: 48

約数和(自身を含む): 60370128

約数和(自身を除く): 38810538

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18427, 36854, 55281, 92135, 110562, 165843, 184270, 239551, 276405, 331686, 479102, 552810, 718653, 829215, 1197755, 1437306, 1658430, 2155959, 2395510, 3593265, 4311918, 7186530, 10779795, 21559590]

約数ペア:

[(1, 21559590), (2, 10779795), (3, 7186530), (5, 4311918), (6, 3593265), (9, 2395510), (10, 2155959), (13, 1658430), (15, 1437306), (18, 1197755), (26, 829215), (30, 718653), (39, 552810), (45, 479102), (65, 331686), (78, 276405), (90, 239551), (117, 184270), (130, 165843), (195, 110562), (234, 92135), (390, 55281), (585, 36854), (1170, 18427)]