21746384

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{787}}^1$

素因数の和:963

約数の個数: 40

約数和(自身を含む): 46315488

約数和(自身を除く): 24569104

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 157, 176, 314, 628, 787, 1256, 1574, 1727, 2512, 3148, 3454, 6296, 6908, 8657, 12592, 13816, 17314, 27632, 34628, 69256, 123559, 138512, 247118, 494236, 988472, 1359149, 1976944, 2718298, 5436596, 10873192, 21746384]

約数ペア:

[(1, 21746384), (2, 10873192), (4, 5436596), (8, 2718298), (11, 1976944), (16, 1359149), (22, 988472), (44, 494236), (88, 247118), (157, 138512), (176, 123559), (314, 69256), (628, 34628), (787, 27632), (1256, 17314), (1574, 13816), (1727, 12592), (2512, 8657), (3148, 6908), (3454, 6296)]