21059334

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:609

約数の個数: 48

約数和(自身を含む): 48484800

約数和(自身を除く): 27425466

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 139, 171, 278, 342, 417, 443, 834, 886, 1251, 1329, 2502, 2641, 2658, 3987, 5282, 7923, 7974, 8417, 15846, 16834, 23769, 25251, 47538, 50502, 61577, 75753, 123154, 151506, 184731, 369462, 554193, 1108386, 1169963, 2339926, 3509889, 7019778, 10529667, 21059334]

約数ペア:

[(1, 21059334), (2, 10529667), (3, 7019778), (6, 3509889), (9, 2339926), (18, 1169963), (19, 1108386), (38, 554193), (57, 369462), (114, 184731), (139, 151506), (171, 123154), (278, 75753), (342, 61577), (417, 50502), (443, 47538), (834, 25251), (886, 23769), (1251, 16834), (1329, 15846), (2502, 8417), (2641, 7974), (2658, 7923), (3987, 5282)]