21700860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3581}}^1$

素因数の和:3694

約数の個数: 48

約数和(自身を含む): 61381152

約数和(自身を除く): 39680292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 3581, 6060, 7162, 10743, 14324, 17905, 21486, 35810, 42972, 53715, 71620, 107430, 214860, 361681, 723362, 1085043, 1446724, 1808405, 2170086, 3616810, 4340172, 5425215, 7233620, 10850430, 21700860]

約数ペア:

[(1, 21700860), (2, 10850430), (3, 7233620), (4, 5425215), (5, 4340172), (6, 3616810), (10, 2170086), (12, 1808405), (15, 1446724), (20, 1085043), (30, 723362), (60, 361681), (101, 214860), (202, 107430), (303, 71620), (404, 53715), (505, 42972), (606, 35810), (1010, 21486), (1212, 17905), (1515, 14324), (2020, 10743), (3030, 7162), (3581, 6060)]