21843185

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 32831232

約数和(自身を除く): 10988047

約数列:

[1, 5, 7, 13, 35, 61, 65, 91, 305, 427, 455, 787, 793, 2135, 3935, 3965, 5509, 5551, 10231, 27545, 27755, 48007, 51155, 71617, 240035, 336049, 358085, 624091, 1680245, 3120455, 4368637, 21843185]

約数ペア:

[(1, 21843185), (5, 4368637), (7, 3120455), (13, 1680245), (35, 624091), (61, 358085), (65, 336049), (91, 240035), (305, 71617), (427, 51155), (455, 48007), (787, 27755), (793, 27545), (2135, 10231), (3935, 5551), (3965, 5509)]