21419664

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{1301}}^1$

素因数の和:1333

約数の個数: 80

約数和(自身を含む): 64579200

約数和(自身を除く): 43159536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 343, 392, 588, 686, 784, 1029, 1176, 1301, 1372, 2058, 2352, 2602, 2744, 3903, 4116, 5204, 5488, 7806, 8232, 9107, 10408, 15612, 16464, 18214, 20816, 27321, 31224, 36428, 54642, 62448, 63749, 72856, 109284, 127498, 145712, 191247, 218568, 254996, 382494, 437136, 446243, 509992, 764988, 892486, 1019984, 1338729, 1529976, 1784972, 2677458, 3059952, 3569944, 5354916, 7139888, 10709832, 21419664]

約数ペア:

[(1, 21419664), (2, 10709832), (3, 7139888), (4, 5354916), (6, 3569944), (7, 3059952), (8, 2677458), (12, 1784972), (14, 1529976), (16, 1338729), (21, 1019984), (24, 892486), (28, 764988), (42, 509992), (48, 446243), (49, 437136), (56, 382494), (84, 254996), (98, 218568), (112, 191247), (147, 145712), (168, 127498), (196, 109284), (294, 72856), (336, 63749), (343, 62448), (392, 54642), (588, 36428), (686, 31224), (784, 27321), (1029, 20816), (1176, 18214), (1301, 16464), (1372, 15612), (2058, 10408), (2352, 9107), (2602, 8232), (2744, 7806), (3903, 5488), (4116, 5204)]