21998664

素因数分解:

$2^3\times 3^2\times {\mathrm{89}}^1\times {\mathrm{3433}}^1$

素因数の和:3534

約数の個数: 48

約数和(自身を含む): 60266700

約数和(自身を除く): 38268036

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 89, 178, 267, 356, 534, 712, 801, 1068, 1602, 2136, 3204, 3433, 6408, 6866, 10299, 13732, 20598, 27464, 30897, 41196, 61794, 82392, 123588, 247176, 305537, 611074, 916611, 1222148, 1833222, 2444296, 2749833, 3666444, 5499666, 7332888, 10999332, 21998664]

約数ペア:

[(1, 21998664), (2, 10999332), (3, 7332888), (4, 5499666), (6, 3666444), (8, 2749833), (9, 2444296), (12, 1833222), (18, 1222148), (24, 916611), (36, 611074), (72, 305537), (89, 247176), (178, 123588), (267, 82392), (356, 61794), (534, 41196), (712, 30897), (801, 27464), (1068, 20598), (1602, 13732), (2136, 10299), (3204, 6866), (3433, 6408)]