21193490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{683}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 39890880

約数和(自身を除く): 18697390

約数列:

[1, 2, 5, 10, 29, 58, 107, 145, 214, 290, 535, 683, 1070, 1366, 3103, 3415, 6206, 6830, 15515, 19807, 31030, 39614, 73081, 99035, 146162, 198070, 365405, 730810, 2119349, 4238698, 10596745, 21193490]

約数ペア:

[(1, 21193490), (2, 10596745), (5, 4238698), (10, 2119349), (29, 730810), (58, 365405), (107, 198070), (145, 146162), (214, 99035), (290, 73081), (535, 39614), (683, 31030), (1070, 19807), (1366, 15515), (3103, 6830), (3415, 6206)]