21513882

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9511}}^1$

素因数の和:9558

約数の個数: 32

約数和(自身を含む): 47940480

約数和(自身を除く): 26426598

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 2262, 9511, 19022, 28533, 57066, 123643, 247286, 275819, 370929, 551638, 741858, 827457, 1654914, 3585647, 7171294, 10756941, 21513882]

約数ペア:

[(1, 21513882), (2, 10756941), (3, 7171294), (6, 3585647), (13, 1654914), (26, 827457), (29, 741858), (39, 551638), (58, 370929), (78, 275819), (87, 247286), (174, 123643), (377, 57066), (754, 28533), (1131, 19022), (2262, 9511)]