21918168

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:206

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 44437032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 47, 51, 54, 68, 72, 94, 102, 108, 127, 136, 141, 153, 188, 204, 216, 254, 282, 306, 376, 381, 408, 423, 459, 508, 564, 612, 762, 799, 846, 918, 1016, 1128, 1143, 1224, 1269, 1524, 1598, 1692, 1836, 2159, 2286, 2397, 2538, 3048, 3196, 3384, 3429, 3672, 4318, 4572, 4794, 5076, 5969, 6392, 6477, 6858, 7191, 8636, 9144, 9588, 10152, 11938, 12954, 13716, 14382, 17272, 17907, 19176, 19431, 21573, 23876, 25908, 27432, 28764, 35814, 38862, 43146, 47752, 51816, 53721, 57528, 58293, 71628, 77724, 86292, 101473, 107442, 116586, 143256, 155448, 161163, 172584, 202946, 214884, 233172, 304419, 322326, 405892, 429768, 466344, 608838, 644652, 811784, 913257, 1217676, 1289304, 1826514, 2435352, 2739771, 3653028, 5479542, 7306056, 10959084, 21918168]

約数ペア:

[(1, 21918168), (2, 10959084), (3, 7306056), (4, 5479542), (6, 3653028), (8, 2739771), (9, 2435352), (12, 1826514), (17, 1289304), (18, 1217676), (24, 913257), (27, 811784), (34, 644652), (36, 608838), (47, 466344), (51, 429768), (54, 405892), (68, 322326), (72, 304419), (94, 233172), (102, 214884), (108, 202946), (127, 172584), (136, 161163), (141, 155448), (153, 143256), (188, 116586), (204, 107442), (216, 101473), (254, 86292), (282, 77724), (306, 71628), (376, 58293), (381, 57528), (408, 53721), (423, 51816), (459, 47752), (508, 43146), (564, 38862), (612, 35814), (762, 28764), (799, 27432), (846, 25908), (918, 23876), (1016, 21573), (1128, 19431), (1143, 19176), (1224, 17907), (1269, 17272), (1524, 14382), (1598, 13716), (1692, 12954), (1836, 11938), (2159, 10152), (2286, 9588), (2397, 9144), (2538, 8636), (3048, 7191), (3196, 6858), (3384, 6477), (3429, 6392), (3672, 5969), (4318, 5076), (4572, 4794)]