21372888

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1312

約数の個数: 64

約数和(自身を含む): 57600000

約数和(自身を除く): 36227112

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 31, 46, 62, 69, 92, 93, 124, 138, 184, 186, 248, 276, 372, 552, 713, 744, 1249, 1426, 2139, 2498, 2852, 3747, 4278, 4996, 5704, 7494, 8556, 9992, 14988, 17112, 28727, 29976, 38719, 57454, 77438, 86181, 114908, 116157, 154876, 172362, 229816, 232314, 309752, 344724, 464628, 689448, 890537, 929256, 1781074, 2671611, 3562148, 5343222, 7124296, 10686444, 21372888]

約数ペア:

[(1, 21372888), (2, 10686444), (3, 7124296), (4, 5343222), (6, 3562148), (8, 2671611), (12, 1781074), (23, 929256), (24, 890537), (31, 689448), (46, 464628), (62, 344724), (69, 309752), (92, 232314), (93, 229816), (124, 172362), (138, 154876), (184, 116157), (186, 114908), (248, 86181), (276, 77438), (372, 57454), (552, 38719), (713, 29976), (744, 28727), (1249, 17112), (1426, 14988), (2139, 9992), (2498, 8556), (2852, 7494), (3747, 5704), (4278, 4996)]