21369582

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 80

約数和(自身を含む): 52649520

約数和(自身を除く): 31279938

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 73, 78, 81, 117, 139, 146, 162, 219, 234, 278, 351, 417, 438, 657, 702, 834, 949, 1053, 1251, 1314, 1807, 1898, 1971, 2106, 2502, 2847, 3614, 3753, 3942, 5421, 5694, 5913, 7506, 8541, 10147, 10842, 11259, 11826, 16263, 17082, 20294, 22518, 25623, 30441, 32526, 48789, 51246, 60882, 76869, 91323, 97578, 131911, 146367, 153738, 182646, 263822, 273969, 292734, 395733, 547938, 791466, 821907, 1187199, 1643814, 2374398, 3561597, 7123194, 10684791, 21369582]

約数ペア:

[(1, 21369582), (2, 10684791), (3, 7123194), (6, 3561597), (9, 2374398), (13, 1643814), (18, 1187199), (26, 821907), (27, 791466), (39, 547938), (54, 395733), (73, 292734), (78, 273969), (81, 263822), (117, 182646), (139, 153738), (146, 146367), (162, 131911), (219, 97578), (234, 91323), (278, 76869), (351, 60882), (417, 51246), (438, 48789), (657, 32526), (702, 30441), (834, 25623), (949, 22518), (1053, 20294), (1251, 17082), (1314, 16263), (1807, 11826), (1898, 11259), (1971, 10842), (2106, 10147), (2502, 8541), (2847, 7506), (3614, 5913), (3753, 5694), (3942, 5421)]