21222045

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36277}}^1$

素因数の和:36301

約数の個数: 24

約数和(自身を含む): 39615576

約数和(自身を除く): 18393531

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 36277, 108831, 181385, 326493, 471601, 544155, 1414803, 1632465, 2358005, 4244409, 7074015, 21222045]

約数ペア:

[(1, 21222045), (3, 7074015), (5, 4244409), (9, 2358005), (13, 1632465), (15, 1414803), (39, 544155), (45, 471601), (65, 326493), (117, 181385), (195, 108831), (585, 36277)]