21868624

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{5081}}^1$

素因数の和:5358

約数の個数: 20

約数和(自身を含む): 42536340

約数和(自身を除く): 20667716

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 5081, 10162, 20324, 40648, 81296, 1366789, 2733578, 5467156, 10934312, 21868624]

約数ペア:

[(1, 21868624), (2, 10934312), (4, 5467156), (8, 2733578), (16, 1366789), (269, 81296), (538, 40648), (1076, 20324), (2152, 10162), (4304, 5081)]