21503586

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7451}}^1$

素因数の和:7506

約数の個数: 32

約数和(自身を含む): 47573568

約数和(自身を除く): 26069982

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 7451, 14902, 22353, 44706, 96863, 193726, 275687, 290589, 551374, 581178, 827061, 1654122, 3583931, 7167862, 10751793, 21503586]

約数ペア:

[(1, 21503586), (2, 10751793), (3, 7167862), (6, 3583931), (13, 1654122), (26, 827061), (37, 581178), (39, 551374), (74, 290589), (78, 275687), (111, 193726), (222, 96863), (481, 44706), (962, 22353), (1443, 14902), (2886, 7451)]