21709608

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 57576960

約数和(自身を除く): 35867352

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 67, 69, 92, 134, 138, 184, 201, 268, 276, 402, 536, 552, 587, 804, 1174, 1541, 1608, 1761, 2348, 3082, 3522, 4623, 4696, 6164, 7044, 9246, 12328, 13501, 14088, 18492, 27002, 36984, 39329, 40503, 54004, 78658, 81006, 108008, 117987, 157316, 162012, 235974, 314632, 324024, 471948, 904567, 943896, 1809134, 2713701, 3618268, 5427402, 7236536, 10854804, 21709608]

約数ペア:

[(1, 21709608), (2, 10854804), (3, 7236536), (4, 5427402), (6, 3618268), (8, 2713701), (12, 1809134), (23, 943896), (24, 904567), (46, 471948), (67, 324024), (69, 314632), (92, 235974), (134, 162012), (138, 157316), (184, 117987), (201, 108008), (268, 81006), (276, 78658), (402, 54004), (536, 40503), (552, 39329), (587, 36984), (804, 27002), (1174, 18492), (1541, 14088), (1608, 13501), (1761, 12328), (2348, 9246), (3082, 7044), (3522, 6164), (4623, 4696)]