21828378

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 54812160

約数和(自身を除く): 32983782

約数列:

[1, 2, 3, 6, 11, 13, 19, 22, 26, 33, 38, 39, 57, 66, 78, 103, 114, 143, 169, 206, 209, 247, 286, 309, 338, 418, 429, 494, 507, 618, 627, 741, 858, 1014, 1133, 1254, 1339, 1482, 1859, 1957, 2266, 2678, 2717, 3211, 3399, 3718, 3914, 4017, 5434, 5577, 5871, 6422, 6798, 8034, 8151, 9633, 11154, 11742, 14729, 16302, 17407, 19266, 21527, 25441, 29458, 34814, 35321, 43054, 44187, 50882, 52221, 64581, 70642, 76323, 88374, 104442, 105963, 129162, 152646, 191477, 211926, 279851, 330733, 382954, 559702, 574431, 661466, 839553, 992199, 1148862, 1679106, 1984398, 3638063, 7276126, 10914189, 21828378]

約数ペア:

[(1, 21828378), (2, 10914189), (3, 7276126), (6, 3638063), (11, 1984398), (13, 1679106), (19, 1148862), (22, 992199), (26, 839553), (33, 661466), (38, 574431), (39, 559702), (57, 382954), (66, 330733), (78, 279851), (103, 211926), (114, 191477), (143, 152646), (169, 129162), (206, 105963), (209, 104442), (247, 88374), (286, 76323), (309, 70642), (338, 64581), (418, 52221), (429, 50882), (494, 44187), (507, 43054), (618, 35321), (627, 34814), (741, 29458), (858, 25441), (1014, 21527), (1133, 19266), (1254, 17407), (1339, 16302), (1482, 14729), (1859, 11742), (1957, 11154), (2266, 9633), (2678, 8151), (2717, 8034), (3211, 6798), (3399, 6422), (3718, 5871), (3914, 5577), (4017, 5434)]