21429885

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 14028675

約数列:

[1, 3, 5, 15, 47, 113, 141, 235, 269, 339, 565, 705, 807, 1345, 1695, 4035, 5311, 12643, 15933, 26555, 30397, 37929, 63215, 79665, 91191, 151985, 189645, 455955, 1428659, 4285977, 7143295, 21429885]

約数ペア:

[(1, 21429885), (3, 7143295), (5, 4285977), (15, 1428659), (47, 455955), (113, 189645), (141, 151985), (235, 91191), (269, 79665), (339, 63215), (565, 37929), (705, 30397), (807, 26555), (1345, 15933), (1695, 12643), (4035, 5311)]