21947535

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15733}}^1$

素因数の和:15775

約数の個数: 24

約数和(自身を含む): 39272064

約数和(自身を除く): 17324529

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 15733, 47199, 78665, 141597, 235995, 487723, 707985, 1463169, 2438615, 4389507, 7315845, 21947535]

約数ペア:

[(1, 21947535), (3, 7315845), (5, 4389507), (9, 2438615), (15, 1463169), (31, 707985), (45, 487723), (93, 235995), (155, 141597), (279, 78665), (465, 47199), (1395, 15733)]