21599648

素因数分解:

$2^5\times 7^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 48936384

約数和(自身を除く): 27336736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 211, 224, 422, 457, 844, 914, 1477, 1688, 1828, 2954, 3199, 3376, 3656, 5908, 6398, 6752, 7312, 11816, 12796, 14624, 23632, 25592, 47264, 51184, 96427, 102368, 192854, 385708, 674989, 771416, 1349978, 1542832, 2699956, 3085664, 5399912, 10799824, 21599648]

約数ペア:

[(1, 21599648), (2, 10799824), (4, 5399912), (7, 3085664), (8, 2699956), (14, 1542832), (16, 1349978), (28, 771416), (32, 674989), (56, 385708), (112, 192854), (211, 102368), (224, 96427), (422, 51184), (457, 47264), (844, 25592), (914, 23632), (1477, 14624), (1688, 12796), (1828, 11816), (2954, 7312), (3199, 6752), (3376, 6398), (3656, 5908)]