21972590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1151}}^1$

素因数の和:1264

約数の個数: 32

約数和(自身を含む): 41803776

約数和(自身を除く): 19831186

約数列:

[1, 2, 5, 10, 23, 46, 83, 115, 166, 230, 415, 830, 1151, 1909, 2302, 3818, 5755, 9545, 11510, 19090, 26473, 52946, 95533, 132365, 191066, 264730, 477665, 955330, 2197259, 4394518, 10986295, 21972590]

約数ペア:

[(1, 21972590), (2, 10986295), (5, 4394518), (10, 2197259), (23, 955330), (46, 477665), (83, 264730), (115, 191066), (166, 132365), (230, 95533), (415, 52946), (830, 26473), (1151, 19090), (1909, 11510), (2302, 9545), (3818, 5755)]