21492579

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{3917}}^1$

素因数の和:4010

約数の個数: 16

約数和(自身を含む): 30090240

約数和(自身を除く): 8597661

約数列:

[1, 3, 31, 59, 93, 177, 1829, 3917, 5487, 11751, 121427, 231103, 364281, 693309, 7164193, 21492579]

約数ペア:

[(1, 21492579), (3, 7164193), (31, 693309), (59, 364281), (93, 231103), (177, 121427), (1829, 11751), (3917, 5487)]