21108216

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{13127}}^1$

素因数の和:13203

約数の個数: 32

約数和(自身を含む): 53562240

約数和(自身を除く): 32454024

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 13127, 26254, 39381, 52508, 78762, 105016, 157524, 315048, 879509, 1759018, 2638527, 3518036, 5277054, 7036072, 10554108, 21108216]

約数ペア:

[(1, 21108216), (2, 10554108), (3, 7036072), (4, 5277054), (6, 3518036), (8, 2638527), (12, 1759018), (24, 879509), (67, 315048), (134, 157524), (201, 105016), (268, 78762), (402, 52508), (536, 39381), (804, 26254), (1608, 13127)]