21861184

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:383

約数の個数: 56

約数和(自身を含む): 46744128

約数和(自身を除く): 24882944

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 71, 136, 142, 272, 283, 284, 544, 566, 568, 1088, 1132, 1136, 1207, 2264, 2272, 2414, 4528, 4544, 4811, 4828, 9056, 9622, 9656, 18112, 19244, 19312, 20093, 38488, 38624, 40186, 76976, 77248, 80372, 153952, 160744, 307904, 321488, 341581, 642976, 683162, 1285952, 1366324, 2732648, 5465296, 10930592, 21861184]

約数ペア:

[(1, 21861184), (2, 10930592), (4, 5465296), (8, 2732648), (16, 1366324), (17, 1285952), (32, 683162), (34, 642976), (64, 341581), (68, 321488), (71, 307904), (136, 160744), (142, 153952), (272, 80372), (283, 77248), (284, 76976), (544, 40186), (566, 38624), (568, 38488), (1088, 20093), (1132, 19312), (1136, 19244), (1207, 18112), (2264, 9656), (2272, 9622), (2414, 9056), (4528, 4828), (4544, 4811)]