21000455264

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{84061}}^1$

素因数の和:84319

約数の個数: 48

約数和(自身を含む): 42663818736

約数和(自身を除く): 21663363472

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 211, 296, 422, 592, 844, 1184, 1688, 3376, 6752, 7807, 15614, 31228, 62456, 84061, 124912, 168122, 249824, 336244, 672488, 1344976, 2689952, 3110257, 6220514, 12441028, 17736871, 24882056, 35473742, 49764112, 70947484, 99528224, 141894968, 283789936, 567579872, 656264227, 1312528454, 2625056908, 5250113816, 10500227632, 21000455264]

約数ペア:

[(1, 21000455264), (2, 10500227632), (4, 5250113816), (8, 2625056908), (16, 1312528454), (32, 656264227), (37, 567579872), (74, 283789936), (148, 141894968), (211, 99528224), (296, 70947484), (422, 49764112), (592, 35473742), (844, 24882056), (1184, 17736871), (1688, 12441028), (3376, 6220514), (6752, 3110257), (7807, 2689952), (15614, 1344976), (31228, 672488), (62456, 336244), (84061, 249824), (124912, 168122)]