21789420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{363157}}^1$

素因数の和:363169

約数の個数: 24

約数和(自身を含む): 61010544

約数和(自身を除く): 39221124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 363157, 726314, 1089471, 1452628, 1815785, 2178942, 3631570, 4357884, 5447355, 7263140, 10894710, 21789420]

約数ペア:

[(1, 21789420), (2, 10894710), (3, 7263140), (4, 5447355), (5, 4357884), (6, 3631570), (10, 2178942), (12, 1815785), (15, 1452628), (20, 1089471), (30, 726314), (60, 363157)]