21921274

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{2503}}^1$

素因数の和:2685

約数の個数: 16

約数和(自身を含む): 34254720

約数和(自身を除く): 12333446

約数列:

[1, 2, 29, 58, 151, 302, 2503, 4379, 5006, 8758, 72587, 145174, 377953, 755906, 10960637, 21921274]

約数ペア:

[(1, 21921274), (2, 10960637), (29, 755906), (58, 377953), (151, 145174), (302, 72587), (2503, 8758), (4379, 5006)]