21776668394

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{159871}}^1$

素因数の和:159943

約数の個数: 32

約数和(自身を含む): 36527554560

約数和(自身を除く): 14750886166

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 2197, 4394, 5239, 10478, 68107, 136214, 159871, 319742, 2078323, 4156646, 4956001, 9912002, 27018199, 54036398, 64428013, 128856026, 351236587, 702473174, 837564169, 1675128338, 10888334197, 21776668394]

約数ペア:

[(1, 21776668394), (2, 10888334197), (13, 1675128338), (26, 837564169), (31, 702473174), (62, 351236587), (169, 128856026), (338, 64428013), (403, 54036398), (806, 27018199), (2197, 9912002), (4394, 4956001), (5239, 4156646), (10478, 2078323), (68107, 319742), (136214, 159871)]