21495232

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1607}}^1$

素因数の和:1649

約数の個数: 56

約数和(自身を含む): 49011840

約数和(自身を除く): 27516608

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 152, 176, 209, 304, 352, 418, 608, 704, 836, 1216, 1607, 1672, 3214, 3344, 6428, 6688, 12856, 13376, 17677, 25712, 30533, 35354, 51424, 61066, 70708, 102848, 122132, 141416, 244264, 282832, 335863, 488528, 565664, 671726, 977056, 1131328, 1343452, 1954112, 2686904, 5373808, 10747616, 21495232]

約数ペア:

[(1, 21495232), (2, 10747616), (4, 5373808), (8, 2686904), (11, 1954112), (16, 1343452), (19, 1131328), (22, 977056), (32, 671726), (38, 565664), (44, 488528), (64, 335863), (76, 282832), (88, 244264), (152, 141416), (176, 122132), (209, 102848), (304, 70708), (352, 61066), (418, 51424), (608, 35354), (704, 30533), (836, 25712), (1216, 17677), (1607, 13376), (1672, 12856), (3214, 6688), (3344, 6428)]