21802900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31147}}^1$

素因数の和:31168

約数の個数: 36

約数和(自身を含む): 54072928

約数和(自身を除く): 32270028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 31147, 62294, 124588, 155735, 218029, 311470, 436058, 622940, 778675, 872116, 1090145, 1557350, 2180290, 3114700, 4360580, 5450725, 10901450, 21802900]

約数ペア:

[(1, 21802900), (2, 10901450), (4, 5450725), (5, 4360580), (7, 3114700), (10, 2180290), (14, 1557350), (20, 1090145), (25, 872116), (28, 778675), (35, 622940), (50, 436058), (70, 311470), (100, 218029), (140, 155735), (175, 124588), (350, 62294), (700, 31147)]