21704250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 55516032

約数和(自身を除く): 33811782

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 125, 129, 150, 215, 250, 258, 375, 430, 645, 673, 750, 1075, 1290, 1346, 2019, 2150, 3225, 3365, 4038, 5375, 6450, 6730, 10095, 10750, 16125, 16825, 20190, 28939, 32250, 33650, 50475, 57878, 84125, 86817, 100950, 144695, 168250, 173634, 252375, 289390, 434085, 504750, 723475, 868170, 1446950, 2170425, 3617375, 4340850, 7234750, 10852125, 21704250]

約数ペア:

[(1, 21704250), (2, 10852125), (3, 7234750), (5, 4340850), (6, 3617375), (10, 2170425), (15, 1446950), (25, 868170), (30, 723475), (43, 504750), (50, 434085), (75, 289390), (86, 252375), (125, 173634), (129, 168250), (150, 144695), (215, 100950), (250, 86817), (258, 84125), (375, 57878), (430, 50475), (645, 33650), (673, 32250), (750, 28939), (1075, 20190), (1290, 16825), (1346, 16125), (2019, 10750), (2150, 10095), (3225, 6730), (3365, 6450), (4038, 5375)]