21858280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1033}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 51462180

約数和(自身を除く): 29603900

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 529, 920, 1033, 1058, 2066, 2116, 2645, 4132, 4232, 5165, 5290, 8264, 10330, 10580, 20660, 21160, 23759, 41320, 47518, 95036, 118795, 190072, 237590, 475180, 546457, 950360, 1092914, 2185828, 2732285, 4371656, 5464570, 10929140, 21858280]

約数ペア:

[(1, 21858280), (2, 10929140), (4, 5464570), (5, 4371656), (8, 2732285), (10, 2185828), (20, 1092914), (23, 950360), (40, 546457), (46, 475180), (92, 237590), (115, 190072), (184, 118795), (230, 95036), (460, 47518), (529, 41320), (920, 23759), (1033, 21160), (1058, 20660), (2066, 10580), (2116, 10330), (2645, 8264), (4132, 5290), (4232, 5165)]