21190086

素因数分解:

$2^1\times 3^5\times {\mathrm{59}}^1\times {\mathrm{739}}^1$

素因数の和:815

約数の個数: 48

約数和(自身を含む): 48484800

約数和(自身を除く): 27294714

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 81, 118, 162, 177, 243, 354, 486, 531, 739, 1062, 1478, 1593, 2217, 3186, 4434, 4779, 6651, 9558, 13302, 14337, 19953, 28674, 39906, 43601, 59859, 87202, 119718, 130803, 179577, 261606, 359154, 392409, 784818, 1177227, 2354454, 3531681, 7063362, 10595043, 21190086]

約数ペア:

[(1, 21190086), (2, 10595043), (3, 7063362), (6, 3531681), (9, 2354454), (18, 1177227), (27, 784818), (54, 392409), (59, 359154), (81, 261606), (118, 179577), (162, 130803), (177, 119718), (243, 87202), (354, 59859), (486, 43601), (531, 39906), (739, 28674), (1062, 19953), (1478, 14337), (1593, 13302), (2217, 9558), (3186, 6651), (4434, 4779)]