21585524

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 38613120

約数和(自身を除く): 17027596

約数列:

[1, 2, 4, 67, 134, 239, 268, 337, 478, 674, 956, 1348, 16013, 22579, 32026, 45158, 64052, 80543, 90316, 161086, 322172, 5396381, 10792762, 21585524]

約数ペア:

[(1, 21585524), (2, 10792762), (4, 5396381), (67, 322172), (134, 161086), (239, 90316), (268, 80543), (337, 64052), (478, 45158), (674, 32026), (956, 22579), (1348, 16013)]