21443100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{10211}}^1$

素因数の和:10235

約数の個数: 72

約数和(自身を含む): 70912128

約数和(自身を除く): 49469028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 10211, 20422, 30633, 40844, 51055, 61266, 71477, 102110, 122532, 142954, 153165, 204220, 214431, 255275, 285908, 306330, 357385, 428862, 510550, 612660, 714770, 765825, 857724, 1021100, 1072155, 1429540, 1531650, 1786925, 2144310, 3063300, 3573850, 4288620, 5360775, 7147700, 10721550, 21443100]

約数ペア:

[(1, 21443100), (2, 10721550), (3, 7147700), (4, 5360775), (5, 4288620), (6, 3573850), (7, 3063300), (10, 2144310), (12, 1786925), (14, 1531650), (15, 1429540), (20, 1072155), (21, 1021100), (25, 857724), (28, 765825), (30, 714770), (35, 612660), (42, 510550), (50, 428862), (60, 357385), (70, 306330), (75, 285908), (84, 255275), (100, 214431), (105, 204220), (140, 153165), (150, 142954), (175, 122532), (210, 102110), (300, 71477), (350, 61266), (420, 51055), (525, 40844), (700, 30633), (1050, 20422), (2100, 10211)]