21831984

素因数分解:

$2^4\times 3^3\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:635

約数の個数: 80

約数和(自身を含む): 63433440

約数和(自身を除く): 41601456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 97, 108, 144, 194, 216, 291, 388, 432, 521, 582, 776, 873, 1042, 1164, 1552, 1563, 1746, 2084, 2328, 2619, 3126, 3492, 4168, 4656, 4689, 5238, 6252, 6984, 8336, 9378, 10476, 12504, 13968, 14067, 18756, 20952, 25008, 28134, 37512, 41904, 50537, 56268, 75024, 101074, 112536, 151611, 202148, 225072, 303222, 404296, 454833, 606444, 808592, 909666, 1212888, 1364499, 1819332, 2425776, 2728998, 3638664, 5457996, 7277328, 10915992, 21831984]

約数ペア:

[(1, 21831984), (2, 10915992), (3, 7277328), (4, 5457996), (6, 3638664), (8, 2728998), (9, 2425776), (12, 1819332), (16, 1364499), (18, 1212888), (24, 909666), (27, 808592), (36, 606444), (48, 454833), (54, 404296), (72, 303222), (97, 225072), (108, 202148), (144, 151611), (194, 112536), (216, 101074), (291, 75024), (388, 56268), (432, 50537), (521, 41904), (582, 37512), (776, 28134), (873, 25008), (1042, 20952), (1164, 18756), (1552, 14067), (1563, 13968), (1746, 12504), (2084, 10476), (2328, 9378), (2619, 8336), (3126, 6984), (3492, 6252), (4168, 5238), (4656, 4689)]