21333384

素因数分解:

$2^3\times 3^2\times {\mathrm{181}}^1\times {\mathrm{1637}}^1$

素因数の和:1830

約数の個数: 48

約数和(自身を含む): 58132620

約数和(自身を除く): 36799236

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 181, 362, 543, 724, 1086, 1448, 1629, 1637, 2172, 3258, 3274, 4344, 4911, 6516, 6548, 9822, 13032, 13096, 14733, 19644, 29466, 39288, 58932, 117864, 296297, 592594, 888891, 1185188, 1777782, 2370376, 2666673, 3555564, 5333346, 7111128, 10666692, 21333384]

約数ペア:

[(1, 21333384), (2, 10666692), (3, 7111128), (4, 5333346), (6, 3555564), (8, 2666673), (9, 2370376), (12, 1777782), (18, 1185188), (24, 888891), (36, 592594), (72, 296297), (181, 117864), (362, 58932), (543, 39288), (724, 29466), (1086, 19644), (1448, 14733), (1629, 13096), (1637, 13032), (2172, 9822), (3258, 6548), (3274, 6516), (4344, 4911)]