21436816

素因数分解:

$2^4\times {\mathrm{1033}}^1\times {\mathrm{1297}}^1$

素因数の和:2338

約数の個数: 20

約数和(自身を含む): 41606092

約数和(自身を除く): 20169276

約数列:

[1, 2, 4, 8, 16, 1033, 1297, 2066, 2594, 4132, 5188, 8264, 10376, 16528, 20752, 1339801, 2679602, 5359204, 10718408, 21436816]

約数ペア:

[(1, 21436816), (2, 10718408), (4, 5359204), (8, 2679602), (16, 1339801), (1033, 20752), (1297, 16528), (2066, 10376), (2594, 8264), (4132, 5188)]