21622928

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{8291}}^1$

素因数の和:8462

約数の個数: 20

約数和(自身を含む): 42156528

約数和(自身を除く): 20533600

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 8291, 16582, 33164, 66328, 132656, 1351433, 2702866, 5405732, 10811464, 21622928]

約数ペア:

[(1, 21622928), (2, 10811464), (4, 5405732), (8, 2702866), (16, 1351433), (163, 132656), (326, 66328), (652, 33164), (1304, 16582), (2608, 8291)]