21002406

素因数分解:

$2^1\times 3^1\times {\mathrm{113}}^1\times {\mathrm{30977}}^1$

素因数の和:31095

約数の個数: 16

約数和(自身を含む): 42377904

約数和(自身を除く): 21375498

約数列:

[1, 2, 3, 6, 113, 226, 339, 678, 30977, 61954, 92931, 185862, 3500401, 7000802, 10501203, 21002406]

約数ペア:

[(1, 21002406), (2, 10501203), (3, 7000802), (6, 3500401), (113, 185862), (226, 92931), (339, 61954), (678, 30977)]