21488306

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 40317696

約数和(自身を除く): 18829390

約数列:

[1, 2, 7, 14, 17, 34, 47, 94, 113, 119, 226, 238, 289, 329, 578, 658, 791, 799, 1582, 1598, 1921, 2023, 3842, 4046, 5311, 5593, 10622, 11186, 13447, 13583, 26894, 27166, 32657, 37177, 65314, 74354, 90287, 95081, 180574, 190162, 228599, 457198, 632009, 1264018, 1534879, 3069758, 10744153, 21488306]

約数ペア:

[(1, 21488306), (2, 10744153), (7, 3069758), (14, 1534879), (17, 1264018), (34, 632009), (47, 457198), (94, 228599), (113, 190162), (119, 180574), (226, 95081), (238, 90287), (289, 74354), (329, 65314), (578, 37177), (658, 32657), (791, 27166), (799, 26894), (1582, 13583), (1598, 13447), (1921, 11186), (2023, 10622), (3842, 5593), (4046, 5311)]