21935595

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6997}}^1$

素因数の和:7035

約数の個数: 32

約数和(自身を含む): 40308480

約数和(自身を除く): 18372885

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 6997, 20991, 34985, 76967, 104955, 132943, 230901, 384835, 398829, 664715, 1154505, 1462373, 1994145, 4387119, 7311865, 21935595]

約数ペア:

[(1, 21935595), (3, 7311865), (5, 4387119), (11, 1994145), (15, 1462373), (19, 1154505), (33, 664715), (55, 398829), (57, 384835), (95, 230901), (165, 132943), (209, 104955), (285, 76967), (627, 34985), (1045, 20991), (3135, 6997)]