21081869256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1767427}}^1$

素因数の和:1767514

約数の個数: 64

約数和(自身を含む): 61082311680

約数和(自身を除く): 40000442424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 71, 84, 142, 168, 213, 284, 426, 497, 568, 852, 994, 1491, 1704, 1988, 2982, 3976, 5964, 11928, 1767427, 3534854, 5302281, 7069708, 10604562, 12371989, 14139416, 21209124, 24743978, 37115967, 42418248, 49487956, 74231934, 98975912, 125487317, 148463868, 250974634, 296927736, 376461951, 501949268, 752923902, 878411219, 1003898536, 1505847804, 1756822438, 2635233657, 3011695608, 3513644876, 5270467314, 7027289752, 10540934628, 21081869256]

約数ペア:

[(1, 21081869256), (2, 10540934628), (3, 7027289752), (4, 5270467314), (6, 3513644876), (7, 3011695608), (8, 2635233657), (12, 1756822438), (14, 1505847804), (21, 1003898536), (24, 878411219), (28, 752923902), (42, 501949268), (56, 376461951), (71, 296927736), (84, 250974634), (142, 148463868), (168, 125487317), (213, 98975912), (284, 74231934), (426, 49487956), (497, 42418248), (568, 37115967), (852, 24743978), (994, 21209124), (1491, 14139416), (1704, 12371989), (1988, 10604562), (2982, 7069708), (3976, 5302281), (5964, 3534854), (11928, 1767427)]