21224500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:274

約数の個数: 96

約数和(自身を含む): 53778816

約数和(自身を除く): 32554316

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 125, 170, 187, 220, 227, 250, 275, 340, 374, 425, 454, 500, 550, 748, 850, 908, 935, 1100, 1135, 1375, 1700, 1870, 2125, 2270, 2497, 2750, 3740, 3859, 4250, 4540, 4675, 4994, 5500, 5675, 7718, 8500, 9350, 9988, 11350, 12485, 15436, 18700, 19295, 22700, 23375, 24970, 28375, 38590, 42449, 46750, 49940, 56750, 62425, 77180, 84898, 93500, 96475, 113500, 124850, 169796, 192950, 212245, 249700, 312125, 385900, 424490, 482375, 624250, 848980, 964750, 1061225, 1248500, 1929500, 2122450, 4244900, 5306125, 10612250, 21224500]

約数ペア:

[(1, 21224500), (2, 10612250), (4, 5306125), (5, 4244900), (10, 2122450), (11, 1929500), (17, 1248500), (20, 1061225), (22, 964750), (25, 848980), (34, 624250), (44, 482375), (50, 424490), (55, 385900), (68, 312125), (85, 249700), (100, 212245), (110, 192950), (125, 169796), (170, 124850), (187, 113500), (220, 96475), (227, 93500), (250, 84898), (275, 77180), (340, 62425), (374, 56750), (425, 49940), (454, 46750), (500, 42449), (550, 38590), (748, 28375), (850, 24970), (908, 23375), (935, 22700), (1100, 19295), (1135, 18700), (1375, 15436), (1700, 12485), (1870, 11350), (2125, 9988), (2270, 9350), (2497, 8500), (2750, 7718), (3740, 5675), (3859, 5500), (4250, 4994), (4540, 4675)]