21665770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13457}}^1$

素因数の和:13494

約数の個数: 32

約数和(自身を含む): 46510848

約数和(自身を除く): 24845078

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 13457, 26914, 67285, 94199, 134570, 188398, 309511, 470995, 619022, 941990, 1547555, 2166577, 3095110, 4333154, 10832885, 21665770]

約数ペア:

[(1, 21665770), (2, 10832885), (5, 4333154), (7, 3095110), (10, 2166577), (14, 1547555), (23, 941990), (35, 619022), (46, 470995), (70, 309511), (115, 188398), (161, 134570), (230, 94199), (322, 67285), (805, 26914), (1610, 13457)]