21800860

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4523}}^1$

素因数の和:4773

約数の個数: 24

約数和(自身を含む): 45981936

約数和(自身を除く): 24181076

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4523, 4820, 9046, 18092, 22615, 45230, 90460, 1090043, 2180086, 4360172, 5450215, 10900430, 21800860]

約数ペア:

[(1, 21800860), (2, 10900430), (4, 5450215), (5, 4360172), (10, 2180086), (20, 1090043), (241, 90460), (482, 45230), (964, 22615), (1205, 18092), (2410, 9046), (4523, 4820)]