21446895

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 36013824

約数和(自身を除く): 14566929

約数列:

[1, 3, 5, 15, 41, 43, 123, 129, 205, 215, 615, 645, 811, 1763, 2433, 4055, 5289, 8815, 12165, 26445, 33251, 34873, 99753, 104619, 166255, 174365, 498765, 523095, 1429793, 4289379, 7148965, 21446895]

約数ペア:

[(1, 21446895), (3, 7148965), (5, 4289379), (15, 1429793), (41, 523095), (43, 498765), (123, 174365), (129, 166255), (205, 104619), (215, 99753), (615, 34873), (645, 33251), (811, 26445), (1763, 12165), (2433, 8815), (4055, 5289)]