21203590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3371}}^1$

素因数の和:3432

約数の個数: 32

約数和(自身を含む): 41516064

約数和(自身を除く): 20312474

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 1258, 3145, 3371, 6290, 6742, 16855, 33710, 57307, 114614, 124727, 249454, 286535, 573070, 623635, 1247270, 2120359, 4240718, 10601795, 21203590]

約数ペア:

[(1, 21203590), (2, 10601795), (5, 4240718), (10, 2120359), (17, 1247270), (34, 623635), (37, 573070), (74, 286535), (85, 249454), (170, 124727), (185, 114614), (370, 57307), (629, 33710), (1258, 16855), (3145, 6742), (3371, 6290)]