21681036012

素因数分解:

$2^2\times 3^1\times {\mathrm{409}}^1\times {\mathrm{4417489}}^1$

素因数の和:4417905

約数の個数: 24

約数和(自身を含む): 50712785200

約数和(自身を除く): 29031749188

約数列:

[1, 2, 3, 4, 6, 12, 409, 818, 1227, 1636, 2454, 4908, 4417489, 8834978, 13252467, 17669956, 26504934, 53009868, 1806753001, 3613506002, 5420259003, 7227012004, 10840518006, 21681036012]

約数ペア:

[(1, 21681036012), (2, 10840518006), (3, 7227012004), (4, 5420259003), (6, 3613506002), (12, 1806753001), (409, 53009868), (818, 26504934), (1227, 17669956), (1636, 13252467), (2454, 8834978), (4908, 4417489)]