21289785090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{629689}}^1$

素因数の和:629736

約数の個数: 96

約数和(自身を含む): 62021946240

約数和(自身を除く): 40732161150

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 49, 69, 70, 98, 105, 115, 138, 147, 161, 210, 230, 245, 294, 322, 345, 483, 490, 690, 735, 805, 966, 1127, 1470, 1610, 2254, 2415, 3381, 4830, 5635, 6762, 11270, 16905, 33810, 629689, 1259378, 1889067, 3148445, 3778134, 4407823, 6296890, 8815646, 9445335, 13223469, 14482847, 18890670, 22039115, 26446938, 28965694, 30854761, 43448541, 44078230, 61709522, 66117345, 72414235, 86897082, 92564283, 101379929, 132234690, 144828470, 154273805, 185128566, 202759858, 217242705, 304139787, 308547610, 434485410, 462821415, 506899645, 608279574, 709659503, 925642830, 1013799290, 1419319006, 1520698935, 2128978509, 3041397870, 3548297515, 4257957018, 7096595030, 10644892545, 21289785090]

約数ペア:

[(1, 21289785090), (2, 10644892545), (3, 7096595030), (5, 4257957018), (6, 3548297515), (7, 3041397870), (10, 2128978509), (14, 1520698935), (15, 1419319006), (21, 1013799290), (23, 925642830), (30, 709659503), (35, 608279574), (42, 506899645), (46, 462821415), (49, 434485410), (69, 308547610), (70, 304139787), (98, 217242705), (105, 202759858), (115, 185128566), (138, 154273805), (147, 144828470), (161, 132234690), (210, 101379929), (230, 92564283), (245, 86897082), (294, 72414235), (322, 66117345), (345, 61709522), (483, 44078230), (490, 43448541), (690, 30854761), (735, 28965694), (805, 26446938), (966, 22039115), (1127, 18890670), (1470, 14482847), (1610, 13223469), (2254, 9445335), (2415, 8815646), (3381, 6296890), (4830, 4407823), (5635, 3778134), (6762, 3148445), (11270, 1889067), (16905, 1259378), (33810, 629689)]