21196056

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1777}}^1$

素因数の和:1864

約数の個数: 64

約数和(自身を含む): 61447680

約数和(自身を除く): 40251624

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, 1777, 1988, 2982, 3554, 3976, 5331, 5964, 7108, 10662, 11928, 12439, 14216, 21324, 24878, 37317, 42648, 49756, 74634, 99512, 126167, 149268, 252334, 298536, 378501, 504668, 757002, 883169, 1009336, 1514004, 1766338, 2649507, 3028008, 3532676, 5299014, 7065352, 10598028, 21196056]

約数ペア:

[(1, 21196056), (2, 10598028), (3, 7065352), (4, 5299014), (6, 3532676), (7, 3028008), (8, 2649507), (12, 1766338), (14, 1514004), (21, 1009336), (24, 883169), (28, 757002), (42, 504668), (56, 378501), (71, 298536), (84, 252334), (142, 149268), (168, 126167), (213, 99512), (284, 74634), (426, 49756), (497, 42648), (568, 37317), (852, 24878), (994, 21324), (1491, 14216), (1704, 12439), (1777, 11928), (1988, 10662), (2982, 7108), (3554, 5964), (3976, 5331)]