21457296

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{3041}}^1$

素因数の和:3069

約数の個数: 90

約数和(自身を含む): 69877782

約数和(自身を除く): 48420486

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3041, 3528, 6082, 7056, 9123, 12164, 18246, 21287, 24328, 27369, 36492, 42574, 48656, 54738, 63861, 72984, 85148, 109476, 127722, 145968, 149009, 170296, 191583, 218952, 255444, 298018, 340592, 383166, 437904, 447027, 510888, 596036, 766332, 894054, 1021776, 1192072, 1341081, 1532664, 1788108, 2384144, 2682162, 3065328, 3576216, 5364324, 7152432, 10728648, 21457296]

約数ペア:

[(1, 21457296), (2, 10728648), (3, 7152432), (4, 5364324), (6, 3576216), (7, 3065328), (8, 2682162), (9, 2384144), (12, 1788108), (14, 1532664), (16, 1341081), (18, 1192072), (21, 1021776), (24, 894054), (28, 766332), (36, 596036), (42, 510888), (48, 447027), (49, 437904), (56, 383166), (63, 340592), (72, 298018), (84, 255444), (98, 218952), (112, 191583), (126, 170296), (144, 149009), (147, 145968), (168, 127722), (196, 109476), (252, 85148), (294, 72984), (336, 63861), (392, 54738), (441, 48656), (504, 42574), (588, 36492), (784, 27369), (882, 24328), (1008, 21287), (1176, 18246), (1764, 12164), (2352, 9123), (3041, 7056), (3528, 6082)]