21799384

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{829}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 43326000

約数和(自身を除く): 21526616

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 173, 346, 692, 829, 1384, 1658, 3287, 3316, 6574, 6632, 13148, 15751, 26296, 31502, 63004, 126008, 143417, 286834, 573668, 1147336, 2724923, 5449846, 10899692, 21799384]

約数ペア:

[(1, 21799384), (2, 10899692), (4, 5449846), (8, 2724923), (19, 1147336), (38, 573668), (76, 286834), (152, 143417), (173, 126008), (346, 63004), (692, 31502), (829, 26296), (1384, 15751), (1658, 13148), (3287, 6632), (3316, 6574)]