21279516

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{57203}}^1$

素因数の和:57241

約数の個数: 24

約数和(自身を含む): 51254784

約数和(自身を除く): 29975268

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 57203, 114406, 171609, 228812, 343218, 686436, 1773293, 3546586, 5319879, 7093172, 10639758, 21279516]

約数ペア:

[(1, 21279516), (2, 10639758), (3, 7093172), (4, 5319879), (6, 3546586), (12, 1773293), (31, 686436), (62, 343218), (93, 228812), (124, 171609), (186, 114406), (372, 57203)]