21940296

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1789}}^1$

素因数の和:1878

約数の個数: 64

約数和(自身を含む): 63580800

約数和(自身を除く): 41640504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 73, 84, 146, 168, 219, 292, 438, 511, 584, 876, 1022, 1533, 1752, 1789, 2044, 3066, 3578, 4088, 5367, 6132, 7156, 10734, 12264, 12523, 14312, 21468, 25046, 37569, 42936, 50092, 75138, 100184, 130597, 150276, 261194, 300552, 391791, 522388, 783582, 914179, 1044776, 1567164, 1828358, 2742537, 3134328, 3656716, 5485074, 7313432, 10970148, 21940296]

約数ペア:

[(1, 21940296), (2, 10970148), (3, 7313432), (4, 5485074), (6, 3656716), (7, 3134328), (8, 2742537), (12, 1828358), (14, 1567164), (21, 1044776), (24, 914179), (28, 783582), (42, 522388), (56, 391791), (73, 300552), (84, 261194), (146, 150276), (168, 130597), (219, 100184), (292, 75138), (438, 50092), (511, 42936), (584, 37569), (876, 25046), (1022, 21468), (1533, 14312), (1752, 12523), (1789, 12264), (2044, 10734), (3066, 7156), (3578, 6132), (4088, 5367)]