21411495

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{673}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 42898752

約数和(自身を除く): 21487257

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 101, 105, 303, 315, 505, 673, 707, 909, 1515, 2019, 2121, 3365, 3535, 4545, 4711, 6057, 6363, 10095, 10605, 14133, 23555, 30285, 31815, 42399, 67973, 70665, 203919, 211995, 339865, 475811, 611757, 1019595, 1427433, 2379055, 3058785, 4282299, 7137165, 21411495]

約数ペア:

[(1, 21411495), (3, 7137165), (5, 4282299), (7, 3058785), (9, 2379055), (15, 1427433), (21, 1019595), (35, 611757), (45, 475811), (63, 339865), (101, 211995), (105, 203919), (303, 70665), (315, 67973), (505, 42399), (673, 31815), (707, 30285), (909, 23555), (1515, 14133), (2019, 10605), (2121, 10095), (3365, 6363), (3535, 6057), (4545, 4711)]