21342230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 27041770

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 47, 65, 70, 91, 94, 130, 182, 235, 329, 455, 470, 499, 611, 658, 910, 998, 1222, 1645, 2495, 3055, 3290, 3493, 4277, 4990, 6110, 6487, 6986, 8554, 12974, 17465, 21385, 23453, 32435, 34930, 42770, 45409, 46906, 64870, 90818, 117265, 164171, 227045, 234530, 304889, 328342, 454090, 609778, 820855, 1524445, 1641710, 2134223, 3048890, 4268446, 10671115, 21342230]

約数ペア:

[(1, 21342230), (2, 10671115), (5, 4268446), (7, 3048890), (10, 2134223), (13, 1641710), (14, 1524445), (26, 820855), (35, 609778), (47, 454090), (65, 328342), (70, 304889), (91, 234530), (94, 227045), (130, 164171), (182, 117265), (235, 90818), (329, 64870), (455, 46906), (470, 45409), (499, 42770), (611, 34930), (658, 32435), (910, 23453), (998, 21385), (1222, 17465), (1645, 12974), (2495, 8554), (3055, 6986), (3290, 6487), (3493, 6110), (4277, 4990)]