21303672

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{68281}}^1$

素因数の和:68303

約数の個数: 32

約数和(自身を含む): 57356880

約数和(自身を除く): 36053208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 68281, 136562, 204843, 273124, 409686, 546248, 819372, 887653, 1638744, 1775306, 2662959, 3550612, 5325918, 7101224, 10651836, 21303672]

約数ペア:

[(1, 21303672), (2, 10651836), (3, 7101224), (4, 5325918), (6, 3550612), (8, 2662959), (12, 1775306), (13, 1638744), (24, 887653), (26, 819372), (39, 546248), (52, 409686), (78, 273124), (104, 204843), (156, 136562), (312, 68281)]