21878454

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1567}}^1$

素因数の和:1764

約数の個数: 32

約数和(自身を含む): 47416320

約数和(自身を除く): 25537866

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 179, 358, 537, 1074, 1567, 2327, 3134, 4654, 4701, 6981, 9402, 13962, 20371, 40742, 61113, 122226, 280493, 560986, 841479, 1682958, 3646409, 7292818, 10939227, 21878454]

約数ペア:

[(1, 21878454), (2, 10939227), (3, 7292818), (6, 3646409), (13, 1682958), (26, 841479), (39, 560986), (78, 280493), (179, 122226), (358, 61113), (537, 40742), (1074, 20371), (1567, 13962), (2327, 9402), (3134, 6981), (4654, 4701)]