21930420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{365507}}^1$

素因数の和:365519

約数の個数: 24

約数和(自身を含む): 61405344

約数和(自身を除く): 39474924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 365507, 731014, 1096521, 1462028, 1827535, 2193042, 3655070, 4386084, 5482605, 7310140, 10965210, 21930420]

約数ペア:

[(1, 21930420), (2, 10965210), (3, 7310140), (4, 5482605), (5, 4386084), (6, 3655070), (10, 2193042), (12, 1827535), (15, 1462028), (20, 1096521), (30, 731014), (60, 365507)]