21145291272

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13984981}}^1$

素因数の和:13985003

約数の個数: 64

約数和(自身を含む): 67127913600

約数和(自身を除く): 45982622328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13984981, 27969962, 41954943, 55939924, 83909886, 97894867, 111879848, 125864829, 167819772, 195789734, 251729658, 293684601, 335639544, 377594487, 391579468, 503459316, 587369202, 755188974, 783158936, 881053803, 1006918632, 1174738404, 1510377948, 1762107606, 2349476808, 2643161409, 3020755896, 3524215212, 5286322818, 7048430424, 10572645636, 21145291272]

約数ペア:

[(1, 21145291272), (2, 10572645636), (3, 7048430424), (4, 5286322818), (6, 3524215212), (7, 3020755896), (8, 2643161409), (9, 2349476808), (12, 1762107606), (14, 1510377948), (18, 1174738404), (21, 1006918632), (24, 881053803), (27, 783158936), (28, 755188974), (36, 587369202), (42, 503459316), (54, 391579468), (56, 377594487), (63, 335639544), (72, 293684601), (84, 251729658), (108, 195789734), (126, 167819772), (168, 125864829), (189, 111879848), (216, 97894867), (252, 83909886), (378, 55939924), (504, 41954943), (756, 27969962), (1512, 13984981)]