21192545

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1523}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 29187648

約数和(自身を除く): 7995103

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 1265, 1523, 2783, 7615, 13915, 16753, 35029, 83765, 175145, 184283, 385319, 921415, 1926595, 4238509, 21192545]

約数ペア:

[(1, 21192545), (5, 4238509), (11, 1926595), (23, 921415), (55, 385319), (115, 184283), (121, 175145), (253, 83765), (605, 35029), (1265, 16753), (1523, 13915), (2783, 7615)]