21853900

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{2633}}^1$

素因数の和:2730

約数の個数: 36

約数和(自身を含む): 48012552

約数和(自身を除く): 26158652

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 332, 415, 830, 1660, 2075, 2633, 4150, 5266, 8300, 10532, 13165, 26330, 52660, 65825, 131650, 218539, 263300, 437078, 874156, 1092695, 2185390, 4370780, 5463475, 10926950, 21853900]

約数ペア:

[(1, 21853900), (2, 10926950), (4, 5463475), (5, 4370780), (10, 2185390), (20, 1092695), (25, 874156), (50, 437078), (83, 263300), (100, 218539), (166, 131650), (332, 65825), (415, 52660), (830, 26330), (1660, 13165), (2075, 10532), (2633, 8300), (4150, 5266)]