21781368

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1879}}^1$

素因数の和:1921

約数の個数: 96

約数和(自身を含む): 70387200

約数和(自身を除く): 48605832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 42, 46, 56, 63, 69, 72, 84, 92, 126, 138, 161, 168, 184, 207, 252, 276, 322, 414, 483, 504, 552, 644, 828, 966, 1288, 1449, 1656, 1879, 1932, 2898, 3758, 3864, 5637, 5796, 7516, 11274, 11592, 13153, 15032, 16911, 22548, 26306, 33822, 39459, 43217, 45096, 52612, 67644, 78918, 86434, 105224, 118377, 129651, 135288, 157836, 172868, 236754, 259302, 302519, 315672, 345736, 388953, 473508, 518604, 605038, 777906, 907557, 947016, 1037208, 1210076, 1555812, 1815114, 2420152, 2722671, 3111624, 3630228, 5445342, 7260456, 10890684, 21781368]

約数ペア:

[(1, 21781368), (2, 10890684), (3, 7260456), (4, 5445342), (6, 3630228), (7, 3111624), (8, 2722671), (9, 2420152), (12, 1815114), (14, 1555812), (18, 1210076), (21, 1037208), (23, 947016), (24, 907557), (28, 777906), (36, 605038), (42, 518604), (46, 473508), (56, 388953), (63, 345736), (69, 315672), (72, 302519), (84, 259302), (92, 236754), (126, 172868), (138, 157836), (161, 135288), (168, 129651), (184, 118377), (207, 105224), (252, 86434), (276, 78918), (322, 67644), (414, 52612), (483, 45096), (504, 43217), (552, 39459), (644, 33822), (828, 26306), (966, 22548), (1288, 16911), (1449, 15032), (1656, 13153), (1879, 11592), (1932, 11274), (2898, 7516), (3758, 5796), (3864, 5637)]