21000252705

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{48276443}}^1$

素因数の和:48276480

約数の個数: 16

約数和(自身を含む): 34759039680

約数和(自身を除く): 13758786975

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 48276443, 144829329, 241382215, 724146645, 1400016847, 4200050541, 7000084235, 21000252705]

約数ペア:

[(1, 21000252705), (3, 7000084235), (5, 4200050541), (15, 1400016847), (29, 724146645), (87, 241382215), (145, 144829329), (435, 48276443)]