21680136

素因数分解:

$2^3\times 3^4\times {\mathrm{33457}}^1$

素因数の和:33475

約数の個数: 40

約数和(自身を含む): 60726270

約数和(自身を除く): 39046134

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 33457, 66914, 100371, 133828, 200742, 267656, 301113, 401484, 602226, 802968, 903339, 1204452, 1806678, 2408904, 2710017, 3613356, 5420034, 7226712, 10840068, 21680136]

約数ペア:

[(1, 21680136), (2, 10840068), (3, 7226712), (4, 5420034), (6, 3613356), (8, 2710017), (9, 2408904), (12, 1806678), (18, 1204452), (24, 903339), (27, 802968), (36, 602226), (54, 401484), (72, 301113), (81, 267656), (108, 200742), (162, 133828), (216, 100371), (324, 66914), (648, 33457)]