21193390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2113}}^1$

素因数の和:2196

約数の個数: 32

約数和(自身を含む): 41096160

約数和(自身を除く): 19902770

約数列:

[1, 2, 5, 10, 17, 34, 59, 85, 118, 170, 295, 590, 1003, 2006, 2113, 4226, 5015, 10030, 10565, 21130, 35921, 71842, 124667, 179605, 249334, 359210, 623335, 1246670, 2119339, 4238678, 10596695, 21193390]

約数ペア:

[(1, 21193390), (2, 10596695), (5, 4238678), (10, 2119339), (17, 1246670), (34, 623335), (59, 359210), (85, 249334), (118, 179605), (170, 124667), (295, 71842), (590, 35921), (1003, 21130), (2006, 10565), (2113, 10030), (4226, 5015)]