21894780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3613}}^1$

素因数の和:3726

約数の個数: 48

約数和(自身を含む): 61929504

約数和(自身を除く): 40034724

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, 3613, 6060, 7226, 10839, 14452, 18065, 21678, 36130, 43356, 54195, 72260, 108390, 216780, 364913, 729826, 1094739, 1459652, 1824565, 2189478, 3649130, 4378956, 5473695, 7298260, 10947390, 21894780]

約数ペア:

[(1, 21894780), (2, 10947390), (3, 7298260), (4, 5473695), (5, 4378956), (6, 3649130), (10, 2189478), (12, 1824565), (15, 1459652), (20, 1094739), (30, 729826), (60, 364913), (101, 216780), (202, 108390), (303, 72260), (404, 54195), (505, 43356), (606, 36130), (1010, 21678), (1212, 18065), (1515, 14452), (2020, 10839), (3030, 7226), (3613, 6060)]