21290350

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14683}}^1$

素因数の和:14724

約数の個数: 24

約数和(自身を含む): 40968360

約数和(自身を除く): 19678010

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14683, 29366, 73415, 146830, 367075, 425807, 734150, 851614, 2129035, 4258070, 10645175, 21290350]

約数ペア:

[(1, 21290350), (2, 10645175), (5, 4258070), (10, 2129035), (25, 851614), (29, 734150), (50, 425807), (58, 367075), (145, 146830), (290, 73415), (725, 29366), (1450, 14683)]