21986694

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{8663}}^1$

素因数の和:8721

約数の個数: 32

約数和(自身を含む): 49904640

約数和(自身を除く): 27917946

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 8663, 17326, 25989, 51978, 77967, 155934, 233901, 407161, 467802, 814322, 1221483, 2442966, 3664449, 7328898, 10993347, 21986694]

約数ペア:

[(1, 21986694), (2, 10993347), (3, 7328898), (6, 3664449), (9, 2442966), (18, 1221483), (27, 814322), (47, 467802), (54, 407161), (94, 233901), (141, 155934), (282, 77967), (423, 51978), (846, 25989), (1269, 17326), (2538, 8663)]