21058935

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3889}}^1$

素因数の和:3935

約数の個数: 24

約数和(自身を含む): 35570160

約数和(自身を除く): 14511225

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 3889, 5415, 11667, 19445, 58335, 73891, 221673, 369455, 1108365, 1403929, 4211787, 7019645, 21058935]

約数ペア:

[(1, 21058935), (3, 7019645), (5, 4211787), (15, 1403929), (19, 1108365), (57, 369455), (95, 221673), (285, 73891), (361, 58335), (1083, 19445), (1805, 11667), (3889, 5415)]