21781224

素因数分解:

$2^3\times 3^4\times {\mathrm{33613}}^1$

素因数の和:33631

約数の個数: 40

約数和(自身を含む): 61009410

約数和(自身を除く): 39228186

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 33613, 67226, 100839, 134452, 201678, 268904, 302517, 403356, 605034, 806712, 907551, 1210068, 1815102, 2420136, 2722653, 3630204, 5445306, 7260408, 10890612, 21781224]

約数ペア:

[(1, 21781224), (2, 10890612), (3, 7260408), (4, 5445306), (6, 3630204), (8, 2722653), (9, 2420136), (12, 1815102), (18, 1210068), (24, 907551), (27, 806712), (36, 605034), (54, 403356), (72, 302517), (81, 268904), (108, 201678), (162, 134452), (216, 100839), (324, 67226), (648, 33613)]