21032580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15241}}^1$

素因数の和:15276

約数の個数: 48

約数和(自身を含む): 61455744

約数和(自身を除く): 40423164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15241, 30482, 45723, 60964, 76205, 91446, 152410, 182892, 228615, 304820, 350543, 457230, 701086, 914460, 1051629, 1402172, 1752715, 2103258, 3505430, 4206516, 5258145, 7010860, 10516290, 21032580]

約数ペア:

[(1, 21032580), (2, 10516290), (3, 7010860), (4, 5258145), (5, 4206516), (6, 3505430), (10, 2103258), (12, 1752715), (15, 1402172), (20, 1051629), (23, 914460), (30, 701086), (46, 457230), (60, 350543), (69, 304820), (92, 228615), (115, 182892), (138, 152410), (230, 91446), (276, 76205), (345, 60964), (460, 45723), (690, 30482), (1380, 15241)]