21326078

素因数分解:

$2^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:500

約数の個数: 24

約数和(自身を含む): 34282560

約数和(自身を除く): 12956482

約数列:

[1, 2, 29, 31, 58, 62, 409, 818, 841, 899, 1682, 1798, 11861, 12679, 23722, 25358, 26071, 52142, 343969, 367691, 687938, 735382, 10663039, 21326078]

約数ペア:

[(1, 21326078), (2, 10663039), (29, 735382), (31, 687938), (58, 367691), (62, 343969), (409, 52142), (818, 26071), (841, 25358), (899, 23722), (1682, 12679), (1798, 11861)]