21347654

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{383}}^1$

素因数の和:476

約数の個数: 24

約数和(自身を含む): 34318080

約数和(自身を除く): 12970426

約数列:

[1, 2, 29, 31, 58, 62, 383, 766, 899, 961, 1798, 1922, 11107, 11873, 22214, 23746, 27869, 55738, 344317, 368063, 688634, 736126, 10673827, 21347654]

約数ペア:

[(1, 21347654), (2, 10673827), (29, 736126), (31, 688634), (58, 368063), (62, 344317), (383, 55738), (766, 27869), (899, 23746), (961, 22214), (1798, 11873), (1922, 11107)]