21111802

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{3259}}^1$

素因数の和:3381

約数の個数: 16

約数和(自身を含む): 32860800

約数和(自身を除く): 11748998

約数列:

[1, 2, 41, 79, 82, 158, 3239, 3259, 6478, 6518, 133619, 257461, 267238, 514922, 10555901, 21111802]

約数ペア:

[(1, 21111802), (2, 10555901), (41, 514922), (79, 267238), (82, 257461), (158, 133619), (3239, 6518), (3259, 6478)]