21768836

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1889}}^1$

素因数の和:2003

約数の個数: 24

約数和(自身を含む): 39584160

約数和(自身を除く): 17815324

約数列:

[1, 2, 4, 43, 67, 86, 134, 172, 268, 1889, 2881, 3778, 5762, 7556, 11524, 81227, 126563, 162454, 253126, 324908, 506252, 5442209, 10884418, 21768836]

約数ペア:

[(1, 21768836), (2, 10884418), (4, 5442209), (43, 506252), (67, 324908), (86, 253126), (134, 162454), (172, 126563), (268, 81227), (1889, 11524), (2881, 7556), (3778, 5762)]