21421344

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:398

約数の個数: 96

約数和(自身を含む): 65028096

約数和(自身を除く): 43606752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 127, 168, 224, 251, 254, 336, 381, 502, 508, 672, 753, 762, 889, 1004, 1016, 1506, 1524, 1757, 1778, 2008, 2032, 2667, 3012, 3048, 3514, 3556, 4016, 4064, 5271, 5334, 6024, 6096, 7028, 7112, 8032, 10542, 10668, 12048, 12192, 14056, 14224, 21084, 21336, 24096, 28112, 28448, 31877, 42168, 42672, 56224, 63754, 84336, 85344, 95631, 127508, 168672, 191262, 223139, 255016, 382524, 446278, 510032, 669417, 765048, 892556, 1020064, 1338834, 1530096, 1785112, 2677668, 3060192, 3570224, 5355336, 7140448, 10710672, 21421344]

約数ペア:

[(1, 21421344), (2, 10710672), (3, 7140448), (4, 5355336), (6, 3570224), (7, 3060192), (8, 2677668), (12, 1785112), (14, 1530096), (16, 1338834), (21, 1020064), (24, 892556), (28, 765048), (32, 669417), (42, 510032), (48, 446278), (56, 382524), (84, 255016), (96, 223139), (112, 191262), (127, 168672), (168, 127508), (224, 95631), (251, 85344), (254, 84336), (336, 63754), (381, 56224), (502, 42672), (508, 42168), (672, 31877), (753, 28448), (762, 28112), (889, 24096), (1004, 21336), (1016, 21084), (1506, 14224), (1524, 14056), (1757, 12192), (1778, 12048), (2008, 10668), (2032, 10542), (2667, 8032), (3012, 7112), (3048, 7028), (3514, 6096), (3556, 6024), (4016, 5334), (4064, 5271)]