21478826

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{2039}}^1$

素因数の和:2293

約数の個数: 16

約数和(自身を含む): 33782400

約数和(自身を除く): 12303574

約数列:

[1, 2, 23, 46, 229, 458, 2039, 4078, 5267, 10534, 46897, 93794, 466931, 933862, 10739413, 21478826]

約数ペア:

[(1, 21478826), (2, 10739413), (23, 933862), (46, 466931), (229, 93794), (458, 46897), (2039, 10534), (4078, 5267)]