21461325

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4691}}^1$

素因数の和:4765

約数の個数: 24

約数和(自身を含む): 36072096

約数和(自身を除く): 14610771

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4575, 4691, 14073, 23455, 70365, 117275, 286151, 351825, 858453, 1430755, 4292265, 7153775, 21461325]

約数ペア:

[(1, 21461325), (3, 7153775), (5, 4292265), (15, 1430755), (25, 858453), (61, 351825), (75, 286151), (183, 117275), (305, 70365), (915, 23455), (1525, 14073), (4575, 4691)]