21994392

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1471}}^1$

素因数の和:1576

約数の個数: 64

約数和(自身を含む): 63590400

約数和(自身を除く): 41596008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 89, 168, 178, 267, 356, 534, 623, 712, 1068, 1246, 1471, 1869, 2136, 2492, 2942, 3738, 4413, 4984, 5884, 7476, 8826, 10297, 11768, 14952, 17652, 20594, 30891, 35304, 41188, 61782, 82376, 123564, 130919, 247128, 261838, 392757, 523676, 785514, 916433, 1047352, 1571028, 1832866, 2749299, 3142056, 3665732, 5498598, 7331464, 10997196, 21994392]

約数ペア:

[(1, 21994392), (2, 10997196), (3, 7331464), (4, 5498598), (6, 3665732), (7, 3142056), (8, 2749299), (12, 1832866), (14, 1571028), (21, 1047352), (24, 916433), (28, 785514), (42, 523676), (56, 392757), (84, 261838), (89, 247128), (168, 130919), (178, 123564), (267, 82376), (356, 61782), (534, 41188), (623, 35304), (712, 30891), (1068, 20594), (1246, 17652), (1471, 14952), (1869, 11768), (2136, 10297), (2492, 8826), (2942, 7476), (3738, 5884), (4413, 4984)]