21354816

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{15889}}^1$

素因数の和:15911

約数の個数: 56

約数和(自身を含む): 64576960

約数和(自身を除く): 43222144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 15889, 31778, 47667, 63556, 95334, 111223, 127112, 190668, 222446, 254224, 333669, 381336, 444892, 508448, 667338, 762672, 889784, 1016896, 1334676, 1525344, 1779568, 2669352, 3050688, 3559136, 5338704, 7118272, 10677408, 21354816]

約数ペア:

[(1, 21354816), (2, 10677408), (3, 7118272), (4, 5338704), (6, 3559136), (7, 3050688), (8, 2669352), (12, 1779568), (14, 1525344), (16, 1334676), (21, 1016896), (24, 889784), (28, 762672), (32, 667338), (42, 508448), (48, 444892), (56, 381336), (64, 333669), (84, 254224), (96, 222446), (112, 190668), (168, 127112), (192, 111223), (224, 95334), (336, 63556), (448, 47667), (672, 31778), (1344, 15889)]