21394530

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:513

約数の個数: 80

約数和(自身を含む): 58605624

約数和(自身を除く): 37211094

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 81, 90, 122, 135, 162, 183, 270, 305, 366, 405, 433, 549, 610, 810, 866, 915, 1098, 1299, 1647, 1830, 2165, 2598, 2745, 3294, 3897, 4330, 4941, 5490, 6495, 7794, 8235, 9882, 11691, 12990, 16470, 19485, 23382, 24705, 26413, 35073, 38970, 49410, 52826, 58455, 70146, 79239, 116910, 132065, 158478, 175365, 237717, 264130, 350730, 396195, 475434, 713151, 792390, 1188585, 1426302, 2139453, 2377170, 3565755, 4278906, 7131510, 10697265, 21394530]

約数ペア:

[(1, 21394530), (2, 10697265), (3, 7131510), (5, 4278906), (6, 3565755), (9, 2377170), (10, 2139453), (15, 1426302), (18, 1188585), (27, 792390), (30, 713151), (45, 475434), (54, 396195), (61, 350730), (81, 264130), (90, 237717), (122, 175365), (135, 158478), (162, 132065), (183, 116910), (270, 79239), (305, 70146), (366, 58455), (405, 52826), (433, 49410), (549, 38970), (610, 35073), (810, 26413), (866, 24705), (915, 23382), (1098, 19485), (1299, 16470), (1647, 12990), (1830, 11691), (2165, 9882), (2598, 8235), (2745, 7794), (3294, 6495), (3897, 5490), (4330, 4941)]