21098760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{911}}^1$

素因数の和:1118

約数の個数: 64

約数和(自身を含む): 63694080

約数和(自身を除く): 42595320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 193, 386, 579, 772, 911, 965, 1158, 1544, 1822, 1930, 2316, 2733, 2895, 3644, 3860, 4555, 4632, 5466, 5790, 7288, 7720, 9110, 10932, 11580, 13665, 18220, 21864, 23160, 27330, 36440, 54660, 109320, 175823, 351646, 527469, 703292, 879115, 1054938, 1406584, 1758230, 2109876, 2637345, 3516460, 4219752, 5274690, 7032920, 10549380, 21098760]

約数ペア:

[(1, 21098760), (2, 10549380), (3, 7032920), (4, 5274690), (5, 4219752), (6, 3516460), (8, 2637345), (10, 2109876), (12, 1758230), (15, 1406584), (20, 1054938), (24, 879115), (30, 703292), (40, 527469), (60, 351646), (120, 175823), (193, 109320), (386, 54660), (579, 36440), (772, 27330), (911, 23160), (965, 21864), (1158, 18220), (1544, 13665), (1822, 11580), (1930, 10932), (2316, 9110), (2733, 7720), (2895, 7288), (3644, 5790), (3860, 5466), (4555, 4632)]