21056270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1103}}^1$

素因数の和:1216

約数の個数: 32

約数和(自身を含む): 40061952

約数和(自身を除く): 19005682

約数列:

[1, 2, 5, 10, 23, 46, 83, 115, 166, 230, 415, 830, 1103, 1909, 2206, 3818, 5515, 9545, 11030, 19090, 25369, 50738, 91549, 126845, 183098, 253690, 457745, 915490, 2105627, 4211254, 10528135, 21056270]

約数ペア:

[(1, 21056270), (2, 10528135), (5, 4211254), (10, 2105627), (23, 915490), (46, 457745), (83, 253690), (115, 183098), (166, 126845), (230, 91549), (415, 50738), (830, 25369), (1103, 19090), (1909, 11030), (2206, 9545), (3818, 5515)]