21998625

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{5333}}^1$

素因数の和:5362

約数の個数: 32

約数和(自身を含む): 39940992

約数和(自身を除く): 17942367

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 5333, 15999, 26665, 58663, 79995, 133325, 175989, 293315, 399975, 666625, 879945, 1466575, 1999875, 4399725, 7332875, 21998625]

約数ペア:

[(1, 21998625), (3, 7332875), (5, 4399725), (11, 1999875), (15, 1466575), (25, 879945), (33, 666625), (55, 399975), (75, 293315), (125, 175989), (165, 133325), (275, 79995), (375, 58663), (825, 26665), (1375, 15999), (4125, 5333)]