21683070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2707}}^1$

素因数の和:2809

約数の個数: 48

約数和(自身を含む): 57030480

約数和(自身を除く): 35347410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2670, 2707, 4005, 5414, 8010, 8121, 13535, 16242, 24363, 27070, 40605, 48726, 81210, 121815, 240923, 243630, 481846, 722769, 1204615, 1445538, 2168307, 2409230, 3613845, 4336614, 7227690, 10841535, 21683070]

約数ペア:

[(1, 21683070), (2, 10841535), (3, 7227690), (5, 4336614), (6, 3613845), (9, 2409230), (10, 2168307), (15, 1445538), (18, 1204615), (30, 722769), (45, 481846), (89, 243630), (90, 240923), (178, 121815), (267, 81210), (445, 48726), (534, 40605), (801, 27070), (890, 24363), (1335, 16242), (1602, 13535), (2670, 8121), (2707, 8010), (4005, 5414)]