21251530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3049}}^1$

素因数の和:3114

約数の個数: 32

約数和(自身を含む): 41504400

約数和(自身を除く): 20252870

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3049, 3485, 6098, 6970, 15245, 30490, 51833, 103666, 125009, 250018, 259165, 518330, 625045, 1250090, 2125153, 4250306, 10625765, 21251530]

約数ペア:

[(1, 21251530), (2, 10625765), (5, 4250306), (10, 2125153), (17, 1250090), (34, 625045), (41, 518330), (82, 259165), (85, 250018), (170, 125009), (205, 103666), (410, 51833), (697, 30490), (1394, 15245), (3049, 6970), (3485, 6098)]