21136968

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15451}}^1$

素因数の和:15482

約数の個数: 48

約数和(自身を含む): 60262800

約数和(自身を除く): 39125832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15451, 30902, 46353, 61804, 92706, 123608, 139059, 185412, 278118, 293569, 370824, 556236, 587138, 880707, 1112472, 1174276, 1761414, 2348552, 2642121, 3522828, 5284242, 7045656, 10568484, 21136968]

約数ペア:

[(1, 21136968), (2, 10568484), (3, 7045656), (4, 5284242), (6, 3522828), (8, 2642121), (9, 2348552), (12, 1761414), (18, 1174276), (19, 1112472), (24, 880707), (36, 587138), (38, 556236), (57, 370824), (72, 293569), (76, 278118), (114, 185412), (152, 139059), (171, 123608), (228, 92706), (342, 61804), (456, 46353), (684, 30902), (1368, 15451)]