21198232

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 44528400

約数和(自身を除く): 23330168

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 121, 122, 242, 244, 359, 484, 488, 671, 718, 968, 1342, 1436, 2684, 2872, 3949, 5368, 7381, 7898, 14762, 15796, 21899, 29524, 31592, 43439, 43798, 59048, 86878, 87596, 173756, 175192, 240889, 347512, 481778, 963556, 1927112, 2649779, 5299558, 10599116, 21198232]

約数ペア:

[(1, 21198232), (2, 10599116), (4, 5299558), (8, 2649779), (11, 1927112), (22, 963556), (44, 481778), (61, 347512), (88, 240889), (121, 175192), (122, 173756), (242, 87596), (244, 86878), (359, 59048), (484, 43798), (488, 43439), (671, 31592), (718, 29524), (968, 21899), (1342, 15796), (1436, 14762), (2684, 7898), (2872, 7381), (3949, 5368)]