21225300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 61975200

約数和(自身を除く): 40749900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 139, 150, 278, 300, 417, 509, 556, 695, 834, 1018, 1390, 1527, 1668, 2036, 2085, 2545, 2780, 3054, 3475, 4170, 5090, 6108, 6950, 7635, 8340, 10180, 10425, 12725, 13900, 15270, 20850, 25450, 30540, 38175, 41700, 50900, 70751, 76350, 141502, 152700, 212253, 283004, 353755, 424506, 707510, 849012, 1061265, 1415020, 1768775, 2122530, 3537550, 4245060, 5306325, 7075100, 10612650, 21225300]

約数ペア:

[(1, 21225300), (2, 10612650), (3, 7075100), (4, 5306325), (5, 4245060), (6, 3537550), (10, 2122530), (12, 1768775), (15, 1415020), (20, 1061265), (25, 849012), (30, 707510), (50, 424506), (60, 353755), (75, 283004), (100, 212253), (139, 152700), (150, 141502), (278, 76350), (300, 70751), (417, 50900), (509, 41700), (556, 38175), (695, 30540), (834, 25450), (1018, 20850), (1390, 15270), (1527, 13900), (1668, 12725), (2036, 10425), (2085, 10180), (2545, 8340), (2780, 7635), (3054, 6950), (3475, 6108), (4170, 5090)]