21128444

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{1283}}^1$

素因数の和:1489

約数の個数: 24

約数和(自身を含む): 38828160

約数和(自身を除く): 17699716

約数列:

[1, 2, 4, 23, 46, 92, 179, 358, 716, 1283, 2566, 4117, 5132, 8234, 16468, 29509, 59018, 118036, 229657, 459314, 918628, 5282111, 10564222, 21128444]

約数ペア:

[(1, 21128444), (2, 10564222), (4, 5282111), (23, 918628), (46, 459314), (92, 229657), (179, 118036), (358, 59018), (716, 29509), (1283, 16468), (2566, 8234), (4117, 5132)]