21235686

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3413}}^1$

素因数の和:3496

約数の個数: 32

約数和(自身を含む): 45720288

約数和(自身を除く): 24484602

約数列:

[1, 2, 3, 6, 17, 34, 51, 61, 102, 122, 183, 366, 1037, 2074, 3111, 3413, 6222, 6826, 10239, 20478, 58021, 116042, 174063, 208193, 348126, 416386, 624579, 1249158, 3539281, 7078562, 10617843, 21235686]

約数ペア:

[(1, 21235686), (2, 10617843), (3, 7078562), (6, 3539281), (17, 1249158), (34, 624579), (51, 416386), (61, 348126), (102, 208193), (122, 174063), (183, 116042), (366, 58021), (1037, 20478), (2074, 10239), (3111, 6826), (3413, 6222)]