21981318

素因数分解:

$2^1\times 3^1\times {\mathrm{227}}^1\times {\mathrm{16139}}^1$

素因数の和:16371

約数の個数: 16

約数和(自身を含む): 44159040

約数和(自身を除く): 22177722

約数列:

[1, 2, 3, 6, 227, 454, 681, 1362, 16139, 32278, 48417, 96834, 3663553, 7327106, 10990659, 21981318]

約数ペア:

[(1, 21981318), (2, 10990659), (3, 7327106), (6, 3663553), (227, 96834), (454, 48417), (681, 32278), (1362, 16139)]