21264190

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1567}}^1$

素因数の和:1656

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19378370

約数列:

[1, 2, 5, 10, 23, 46, 59, 115, 118, 230, 295, 590, 1357, 1567, 2714, 3134, 6785, 7835, 13570, 15670, 36041, 72082, 92453, 180205, 184906, 360410, 462265, 924530, 2126419, 4252838, 10632095, 21264190]

約数ペア:

[(1, 21264190), (2, 10632095), (5, 4252838), (10, 2126419), (23, 924530), (46, 462265), (59, 360410), (115, 184906), (118, 180205), (230, 92453), (295, 72082), (590, 36041), (1357, 15670), (1567, 13570), (2714, 7835), (3134, 6785)]