21875224

素因数分解:

$2^3\times 7^1\times {\mathrm{577}}^1\times {\mathrm{677}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 47026080

約数和(自身を除く): 25150856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 577, 677, 1154, 1354, 2308, 2708, 4039, 4616, 4739, 5416, 8078, 9478, 16156, 18956, 32312, 37912, 390629, 781258, 1562516, 2734403, 3125032, 5468806, 10937612, 21875224]

約数ペア:

[(1, 21875224), (2, 10937612), (4, 5468806), (7, 3125032), (8, 2734403), (14, 1562516), (28, 781258), (56, 390629), (577, 37912), (677, 32312), (1154, 18956), (1354, 16156), (2308, 9478), (2708, 8078), (4039, 5416), (4616, 4739)]