21395178

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:374

約数の個数: 96

約数和(自身を含む): 58007040

約数和(自身を除く): 36611862

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 81, 114, 126, 133, 162, 171, 189, 243, 266, 331, 342, 378, 399, 486, 513, 567, 662, 798, 993, 1026, 1134, 1197, 1539, 1701, 1986, 2317, 2394, 2979, 3078, 3402, 3591, 4617, 4634, 5958, 6289, 6951, 7182, 8937, 9234, 10773, 12578, 13902, 17874, 18867, 20853, 21546, 26811, 32319, 37734, 41706, 44023, 53622, 56601, 62559, 64638, 80433, 88046, 113202, 125118, 132069, 160866, 169803, 187677, 264138, 339606, 375354, 396207, 509409, 563031, 792414, 1018818, 1126062, 1188621, 1528227, 2377242, 3056454, 3565863, 7131726, 10697589, 21395178]

約数ペア:

[(1, 21395178), (2, 10697589), (3, 7131726), (6, 3565863), (7, 3056454), (9, 2377242), (14, 1528227), (18, 1188621), (19, 1126062), (21, 1018818), (27, 792414), (38, 563031), (42, 509409), (54, 396207), (57, 375354), (63, 339606), (81, 264138), (114, 187677), (126, 169803), (133, 160866), (162, 132069), (171, 125118), (189, 113202), (243, 88046), (266, 80433), (331, 64638), (342, 62559), (378, 56601), (399, 53622), (486, 44023), (513, 41706), (567, 37734), (662, 32319), (798, 26811), (993, 21546), (1026, 20853), (1134, 18867), (1197, 17874), (1539, 13902), (1701, 12578), (1986, 10773), (2317, 9234), (2394, 8937), (2979, 7182), (3078, 6951), (3402, 6289), (3591, 5958), (4617, 4634)]