21274072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8233}}^1$

素因数の和:8275

約数の個数: 32

約数和(自身を含む): 44463600

約数和(自身を除く): 23189528

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 8233, 16466, 32932, 65864, 139961, 156427, 279922, 312854, 559844, 625708, 1119688, 1251416, 2659259, 5318518, 10637036, 21274072]

約数ペア:

[(1, 21274072), (2, 10637036), (4, 5318518), (8, 2659259), (17, 1251416), (19, 1119688), (34, 625708), (38, 559844), (68, 312854), (76, 279922), (136, 156427), (152, 139961), (323, 65864), (646, 32932), (1292, 16466), (2584, 8233)]