21293136

素因数分解:

$2^4\times 3^2\times {\mathrm{67}}^1\times {\mathrm{2207}}^1$

素因数の和:2288

約数の個数: 60

約数和(自身を含む): 60508032

約数和(自身を除く): 39214896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 67, 72, 134, 144, 201, 268, 402, 536, 603, 804, 1072, 1206, 1608, 2207, 2412, 3216, 4414, 4824, 6621, 8828, 9648, 13242, 17656, 19863, 26484, 35312, 39726, 52968, 79452, 105936, 147869, 158904, 295738, 317808, 443607, 591476, 887214, 1182952, 1330821, 1774428, 2365904, 2661642, 3548856, 5323284, 7097712, 10646568, 21293136]

約数ペア:

[(1, 21293136), (2, 10646568), (3, 7097712), (4, 5323284), (6, 3548856), (8, 2661642), (9, 2365904), (12, 1774428), (16, 1330821), (18, 1182952), (24, 887214), (36, 591476), (48, 443607), (67, 317808), (72, 295738), (134, 158904), (144, 147869), (201, 105936), (268, 79452), (402, 52968), (536, 39726), (603, 35312), (804, 26484), (1072, 19863), (1206, 17656), (1608, 13242), (2207, 9648), (2412, 8828), (3216, 6621), (4414, 4824)]