21198926644

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{283}}^1\times {\mathrm{7211}}^1$

素因数の和:7565

約数の個数: 72

約数和(自身を含む): 44130689568

約数和(自身を除く): 22931762924

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 283, 371, 566, 742, 1132, 1484, 1981, 2597, 3962, 5194, 7211, 7924, 10388, 13867, 14422, 14999, 27734, 28844, 29998, 50477, 55468, 59996, 100954, 104993, 201908, 209986, 353339, 382183, 419972, 706678, 734951, 764366, 1413356, 1469902, 1528732, 2040713, 2675281, 2939804, 4081426, 5350562, 8162852, 10701124, 14284991, 18726967, 28569982, 37453934, 57139964, 74907868, 99994937, 108157789, 199989874, 216315578, 399979748, 432631156, 757104523, 1514209046, 3028418092, 5299731661, 10599463322, 21198926644]

約数ペア:

[(1, 21198926644), (2, 10599463322), (4, 5299731661), (7, 3028418092), (14, 1514209046), (28, 757104523), (49, 432631156), (53, 399979748), (98, 216315578), (106, 199989874), (196, 108157789), (212, 99994937), (283, 74907868), (371, 57139964), (566, 37453934), (742, 28569982), (1132, 18726967), (1484, 14284991), (1981, 10701124), (2597, 8162852), (3962, 5350562), (5194, 4081426), (7211, 2939804), (7924, 2675281), (10388, 2040713), (13867, 1528732), (14422, 1469902), (14999, 1413356), (27734, 764366), (28844, 734951), (29998, 706678), (50477, 419972), (55468, 382183), (59996, 353339), (100954, 209986), (104993, 201908)]