21000585942

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{74707}}^1$

素因数の和:74842

約数の個数: 96

約数和(自身を含む): 54822523392

約数和(自身を除く): 33821937450

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 97, 126, 138, 161, 194, 207, 291, 322, 414, 483, 582, 679, 873, 966, 1358, 1449, 1746, 2037, 2231, 2898, 4074, 4462, 6111, 6693, 12222, 13386, 15617, 20079, 31234, 40158, 46851, 74707, 93702, 140553, 149414, 224121, 281106, 448242, 522949, 672363, 1045898, 1344726, 1568847, 1718261, 3137694, 3436522, 4706541, 5154783, 7246579, 9413082, 10309566, 12027827, 14493158, 15464349, 21739737, 24055654, 30928698, 36083481, 43479474, 50726053, 65219211, 72166962, 101452106, 108250443, 130438422, 152178159, 166671317, 216500886, 304356318, 333342634, 456534477, 500013951, 913068954, 1000027902, 1166699219, 1500041853, 2333398438, 3000083706, 3500097657, 7000195314, 10500292971, 21000585942]

約数ペア:

[(1, 21000585942), (2, 10500292971), (3, 7000195314), (6, 3500097657), (7, 3000083706), (9, 2333398438), (14, 1500041853), (18, 1166699219), (21, 1000027902), (23, 913068954), (42, 500013951), (46, 456534477), (63, 333342634), (69, 304356318), (97, 216500886), (126, 166671317), (138, 152178159), (161, 130438422), (194, 108250443), (207, 101452106), (291, 72166962), (322, 65219211), (414, 50726053), (483, 43479474), (582, 36083481), (679, 30928698), (873, 24055654), (966, 21739737), (1358, 15464349), (1449, 14493158), (1746, 12027827), (2037, 10309566), (2231, 9413082), (2898, 7246579), (4074, 5154783), (4462, 4706541), (6111, 3436522), (6693, 3137694), (12222, 1718261), (13386, 1568847), (15617, 1344726), (20079, 1045898), (31234, 672363), (40158, 522949), (46851, 448242), (74707, 281106), (93702, 224121), (140553, 149414)]