21742230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^2$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 53527824

約数和(自身を除く): 31785594

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 109, 122, 183, 218, 305, 327, 366, 545, 610, 654, 915, 1090, 1635, 1830, 3270, 6649, 11881, 13298, 19947, 23762, 33245, 35643, 39894, 59405, 66490, 71286, 99735, 118810, 178215, 199470, 356430, 724741, 1449482, 2174223, 3623705, 4348446, 7247410, 10871115, 21742230]

約数ペア:

[(1, 21742230), (2, 10871115), (3, 7247410), (5, 4348446), (6, 3623705), (10, 2174223), (15, 1449482), (30, 724741), (61, 356430), (109, 199470), (122, 178215), (183, 118810), (218, 99735), (305, 71286), (327, 66490), (366, 59405), (545, 39894), (610, 35643), (654, 33245), (915, 23762), (1090, 19947), (1635, 13298), (1830, 11881), (3270, 6649)]