21840444

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 59125248

約数和(自身を除く): 37284804

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 127, 153, 204, 254, 281, 306, 381, 508, 562, 612, 762, 843, 1124, 1143, 1524, 1686, 2159, 2286, 2529, 3372, 4318, 4572, 4777, 5058, 6477, 8636, 9554, 10116, 12954, 14331, 19108, 19431, 25908, 28662, 35687, 38862, 42993, 57324, 71374, 77724, 85986, 107061, 142748, 171972, 214122, 321183, 428244, 606679, 642366, 1213358, 1284732, 1820037, 2426716, 3640074, 5460111, 7280148, 10920222, 21840444]

約数ペア:

[(1, 21840444), (2, 10920222), (3, 7280148), (4, 5460111), (6, 3640074), (9, 2426716), (12, 1820037), (17, 1284732), (18, 1213358), (34, 642366), (36, 606679), (51, 428244), (68, 321183), (102, 214122), (127, 171972), (153, 142748), (204, 107061), (254, 85986), (281, 77724), (306, 71374), (381, 57324), (508, 42993), (562, 38862), (612, 35687), (762, 28662), (843, 25908), (1124, 19431), (1143, 19108), (1524, 14331), (1686, 12954), (2159, 10116), (2286, 9554), (2529, 8636), (3372, 6477), (4318, 5058), (4572, 4777)]