21841270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1097}}^1$

素因数の和:1296

約数の個数: 32

約数和(自身を含む): 43164576

約数和(自身を除く): 21323306

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 1097, 1810, 1991, 2194, 3982, 5485, 9955, 10970, 12067, 19910, 24134, 60335, 120670, 198557, 397114, 992785, 1985570, 2184127, 4368254, 10920635, 21841270]

約数ペア:

[(1, 21841270), (2, 10920635), (5, 4368254), (10, 2184127), (11, 1985570), (22, 992785), (55, 397114), (110, 198557), (181, 120670), (362, 60335), (905, 24134), (1097, 19910), (1810, 12067), (1991, 10970), (2194, 9955), (3982, 5485)]