21247450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3571}}^1$

素因数の和:3607

約数の個数: 48

約数和(自身を含む): 47836224

約数和(自身を除く): 26588774

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 170, 175, 238, 350, 425, 595, 850, 1190, 2975, 3571, 5950, 7142, 17855, 24997, 35710, 49994, 60707, 89275, 121414, 124985, 178550, 249970, 303535, 424949, 607070, 624925, 849898, 1249850, 1517675, 2124745, 3035350, 4249490, 10623725, 21247450]

約数ペア:

[(1, 21247450), (2, 10623725), (5, 4249490), (7, 3035350), (10, 2124745), (14, 1517675), (17, 1249850), (25, 849898), (34, 624925), (35, 607070), (50, 424949), (70, 303535), (85, 249970), (119, 178550), (170, 124985), (175, 121414), (238, 89275), (350, 60707), (425, 49994), (595, 35710), (850, 24997), (1190, 17855), (2975, 7142), (3571, 5950)]