21455964

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{25913}}^1$

素因数の和:25946

約数の個数: 36

約数和(自身を含む): 56596176

約数和(自身を除く): 35140212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 25913, 51826, 77739, 103652, 155478, 233217, 310956, 466434, 595999, 932868, 1191998, 1787997, 2383996, 3575994, 5363991, 7151988, 10727982, 21455964]

約数ペア:

[(1, 21455964), (2, 10727982), (3, 7151988), (4, 5363991), (6, 3575994), (9, 2383996), (12, 1787997), (18, 1191998), (23, 932868), (36, 595999), (46, 466434), (69, 310956), (92, 233217), (138, 155478), (207, 103652), (276, 77739), (414, 51826), (828, 25913)]