21272004

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 96

約数和(自身を含む): 60368000

約数和(自身を除く): 39095996

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 109, 117, 139, 156, 218, 234, 278, 327, 351, 417, 436, 468, 556, 654, 702, 834, 981, 1251, 1308, 1404, 1417, 1668, 1807, 1962, 2502, 2834, 2943, 3614, 3753, 3924, 4251, 5004, 5421, 5668, 5886, 7228, 7506, 8502, 10842, 11772, 12753, 15012, 15151, 16263, 17004, 21684, 25506, 30302, 32526, 38259, 45453, 48789, 51012, 60604, 65052, 76518, 90906, 97578, 136359, 153036, 181812, 195156, 196963, 272718, 393926, 409077, 545436, 590889, 787852, 818154, 1181778, 1636308, 1772667, 2363556, 3545334, 5318001, 7090668, 10636002, 21272004]

約数ペア:

[(1, 21272004), (2, 10636002), (3, 7090668), (4, 5318001), (6, 3545334), (9, 2363556), (12, 1772667), (13, 1636308), (18, 1181778), (26, 818154), (27, 787852), (36, 590889), (39, 545436), (52, 409077), (54, 393926), (78, 272718), (108, 196963), (109, 195156), (117, 181812), (139, 153036), (156, 136359), (218, 97578), (234, 90906), (278, 76518), (327, 65052), (351, 60604), (417, 51012), (436, 48789), (468, 45453), (556, 38259), (654, 32526), (702, 30302), (834, 25506), (981, 21684), (1251, 17004), (1308, 16263), (1404, 15151), (1417, 15012), (1668, 12753), (1807, 11772), (1962, 10842), (2502, 8502), (2834, 7506), (2943, 7228), (3614, 5886), (3753, 5668), (3924, 5421), (4251, 5004)]