21208806

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{51229}}^1$

素因数の和:51260

約数の個数: 24

約数和(自身を含む): 47951280

約数和(自身を除く): 26742474

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 51229, 102458, 153687, 307374, 461061, 922122, 1178267, 2356534, 3534801, 7069602, 10604403, 21208806]

約数ペア:

[(1, 21208806), (2, 10604403), (3, 7069602), (6, 3534801), (9, 2356534), (18, 1178267), (23, 922122), (46, 461061), (69, 307374), (138, 153687), (207, 102458), (414, 51229)]