21000377083

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1\times {\mathrm{14153}}^1$

素因数の和:14551

約数の個数: 32

約数和(自身を含む): 26178332544

約数和(自身を除く): 5177955461

約数列:

[1, 7, 17, 37, 119, 259, 337, 629, 2359, 4403, 5729, 12469, 14153, 40103, 87283, 99071, 211973, 240601, 523661, 1483811, 1684207, 3665627, 4769561, 8902237, 33386927, 62315659, 81082537, 176473757, 567577759, 1235316299, 3000053869, 21000377083]

約数ペア:

[(1, 21000377083), (7, 3000053869), (17, 1235316299), (37, 567577759), (119, 176473757), (259, 81082537), (337, 62315659), (629, 33386927), (2359, 8902237), (4403, 4769561), (5729, 3665627), (12469, 1684207), (14153, 1483811), (40103, 523661), (87283, 240601), (99071, 211973)]