21352944

素因数分解:

$2^4\times 3^1\times {\mathrm{661}}^1\times {\mathrm{673}}^1$

素因数の和:1345

約数の個数: 40

約数和(自身を含む): 55327312

約数和(自身を除く): 33974368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 661, 673, 1322, 1346, 1983, 2019, 2644, 2692, 3966, 4038, 5288, 5384, 7932, 8076, 10576, 10768, 15864, 16152, 31728, 32304, 444853, 889706, 1334559, 1779412, 2669118, 3558824, 5338236, 7117648, 10676472, 21352944]

約数ペア:

[(1, 21352944), (2, 10676472), (3, 7117648), (4, 5338236), (6, 3558824), (8, 2669118), (12, 1779412), (16, 1334559), (24, 889706), (48, 444853), (661, 32304), (673, 31728), (1322, 16152), (1346, 15864), (1983, 10768), (2019, 10576), (2644, 8076), (2692, 7932), (3966, 5384), (4038, 5288)]