21631656

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 56033280

約数和(自身を除く): 34401624

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 127, 141, 151, 188, 254, 282, 302, 376, 381, 453, 508, 564, 604, 762, 906, 1016, 1128, 1208, 1524, 1812, 3048, 3624, 5969, 7097, 11938, 14194, 17907, 19177, 21291, 23876, 28388, 35814, 38354, 42582, 47752, 56776, 57531, 71628, 76708, 85164, 115062, 143256, 153416, 170328, 230124, 460248, 901319, 1802638, 2703957, 3605276, 5407914, 7210552, 10815828, 21631656]

約数ペア:

[(1, 21631656), (2, 10815828), (3, 7210552), (4, 5407914), (6, 3605276), (8, 2703957), (12, 1802638), (24, 901319), (47, 460248), (94, 230124), (127, 170328), (141, 153416), (151, 143256), (188, 115062), (254, 85164), (282, 76708), (302, 71628), (376, 57531), (381, 56776), (453, 47752), (508, 42582), (564, 38354), (604, 35814), (762, 28388), (906, 23876), (1016, 21291), (1128, 19177), (1208, 17907), (1524, 14194), (1812, 11938), (3048, 7097), (3624, 5969)]