21868956

素因数分解:

$2^2\times 3^2\times {\mathrm{607471}}^1$

素因数の和:607481

約数の個数: 18

約数和(自身を含む): 55279952

約数和(自身を除く): 33410996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 607471, 1214942, 1822413, 2429884, 3644826, 5467239, 7289652, 10934478, 21868956]

約数ペア:

[(1, 21868956), (2, 10934478), (3, 7289652), (4, 5467239), (6, 3644826), (9, 2429884), (12, 1822413), (18, 1214942), (36, 607471)]