21847880

素因数分解:

$2^3\times 5^1\times {\mathrm{546197}}^1$

素因数の和:546208

約数の個数: 16

約数和(自身を含む): 49157820

約数和(自身を除く): 27309940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 546197, 1092394, 2184788, 2730985, 4369576, 5461970, 10923940, 21847880]

約数ペア:

[(1, 21847880), (2, 10923940), (4, 5461970), (5, 4369576), (8, 2730985), (10, 2184788), (20, 1092394), (40, 546197)]