21678072

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{69481}}^1$

素因数の和:69503

約数の個数: 32

約数和(自身を含む): 58364880

約数和(自身を除く): 36686808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 69481, 138962, 208443, 277924, 416886, 555848, 833772, 903253, 1667544, 1806506, 2709759, 3613012, 5419518, 7226024, 10839036, 21678072]

約数ペア:

[(1, 21678072), (2, 10839036), (3, 7226024), (4, 5419518), (6, 3613012), (8, 2709759), (12, 1806506), (13, 1667544), (24, 903253), (26, 833772), (39, 555848), (52, 416886), (78, 277924), (104, 208443), (156, 138962), (312, 69481)]