21103662916

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20370331}}^1$

素因数の和:20370379

約数の個数: 24

約数和(自身を含む): 43348066496

約数和(自身を除く): 22244403580

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20370331, 40740662, 81481324, 142592317, 285184634, 570369268, 753702247, 1507404494, 3014808988, 5275915729, 10551831458, 21103662916]

約数ペア:

[(1, 21103662916), (2, 10551831458), (4, 5275915729), (7, 3014808988), (14, 1507404494), (28, 753702247), (37, 570369268), (74, 285184634), (148, 142592317), (259, 81481324), (518, 40740662), (1036, 20370331)]