21637392

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:996

約数の個数: 80

約数和(自身を含む): 64852992

約数和(自身を除く): 43215600

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 71, 84, 112, 142, 168, 213, 284, 336, 426, 497, 568, 852, 907, 994, 1136, 1491, 1704, 1814, 1988, 2721, 2982, 3408, 3628, 3976, 5442, 5964, 6349, 7256, 7952, 10884, 11928, 12698, 14512, 19047, 21768, 23856, 25396, 38094, 43536, 50792, 64397, 76188, 101584, 128794, 152376, 193191, 257588, 304752, 386382, 450779, 515176, 772764, 901558, 1030352, 1352337, 1545528, 1803116, 2704674, 3091056, 3606232, 5409348, 7212464, 10818696, 21637392]

約数ペア:

[(1, 21637392), (2, 10818696), (3, 7212464), (4, 5409348), (6, 3606232), (7, 3091056), (8, 2704674), (12, 1803116), (14, 1545528), (16, 1352337), (21, 1030352), (24, 901558), (28, 772764), (42, 515176), (48, 450779), (56, 386382), (71, 304752), (84, 257588), (112, 193191), (142, 152376), (168, 128794), (213, 101584), (284, 76188), (336, 64397), (426, 50792), (497, 43536), (568, 38094), (852, 25396), (907, 23856), (994, 21768), (1136, 19047), (1491, 14512), (1704, 12698), (1814, 11928), (1988, 10884), (2721, 7952), (2982, 7256), (3408, 6349), (3628, 5964), (3976, 5442)]