21164764

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{523}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 37912448

約数和(自身を除く): 16747684

約数列:

[1, 2, 4, 67, 134, 151, 268, 302, 523, 604, 1046, 2092, 10117, 20234, 35041, 40468, 70082, 78973, 140164, 157946, 315892, 5291191, 10582382, 21164764]

約数ペア:

[(1, 21164764), (2, 10582382), (4, 5291191), (67, 315892), (134, 157946), (151, 140164), (268, 78973), (302, 70082), (523, 40468), (604, 35041), (1046, 20234), (2092, 10117)]