21999461246

素因数分解:

$2^1\times 7^1\times {\mathrm{1151}}^1\times {\mathrm{1365239}}^1$

素因数の和:1366399

約数の個数: 16

約数和(自身を含む): 37746155520

約数和(自身を除く): 15746694274

約数列:

[1, 2, 7, 14, 1151, 2302, 8057, 16114, 1365239, 2730478, 9556673, 19113346, 1571390089, 3142780178, 10999730623, 21999461246]

約数ペア:

[(1, 21999461246), (2, 10999730623), (7, 3142780178), (14, 1571390089), (1151, 19113346), (2302, 9556673), (8057, 2730478), (16114, 1365239)]