21670716

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5591}}^1$

素因数の和:5634

約数の個数: 48

約数和(自身を含む): 56367360

約数和(自身を除く): 34696644

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 5591, 11182, 16773, 22364, 33546, 67092, 95047, 106229, 190094, 212458, 285141, 318687, 380188, 424916, 570282, 637374, 1140564, 1274748, 1805893, 3611786, 5417679, 7223572, 10835358, 21670716]

約数ペア:

[(1, 21670716), (2, 10835358), (3, 7223572), (4, 5417679), (6, 3611786), (12, 1805893), (17, 1274748), (19, 1140564), (34, 637374), (38, 570282), (51, 424916), (57, 380188), (68, 318687), (76, 285141), (102, 212458), (114, 190094), (204, 106229), (228, 95047), (323, 67092), (646, 33546), (969, 22364), (1292, 16773), (1938, 11182), (3876, 5591)]