21607700

素因数分解:

$2^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{1249}}^1$

素因数の和:1436

約数の個数: 36

約数和(自身を含む): 47197500

約数和(自身を除く): 25589800

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 173, 346, 692, 865, 1249, 1730, 2498, 3460, 4325, 4996, 6245, 8650, 12490, 17300, 24980, 31225, 62450, 124900, 216077, 432154, 864308, 1080385, 2160770, 4321540, 5401925, 10803850, 21607700]

約数ペア:

[(1, 21607700), (2, 10803850), (4, 5401925), (5, 4321540), (10, 2160770), (20, 1080385), (25, 864308), (50, 432154), (100, 216077), (173, 124900), (346, 62450), (692, 31225), (865, 24980), (1249, 17300), (1730, 12490), (2498, 8650), (3460, 6245), (4325, 4996)]