21950309475

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{637627}}^1$

素因数の和:637666

約数の個数: 60

約数和(自身を含む): 43051367304

約数和(自身を除く): 21101057829

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 255, 405, 425, 459, 675, 765, 1275, 1377, 2025, 2295, 3825, 6885, 11475, 34425, 637627, 1912881, 3188135, 5738643, 9564405, 10839659, 15940675, 17215929, 28693215, 32518977, 47822025, 51647787, 54198295, 86079645, 97556931, 143466075, 162594885, 258238935, 270991475, 292670793, 430398225, 487784655, 812974425, 878012379, 1291194675, 1463353965, 2438923275, 4390061895, 7316769825, 21950309475]

約数ペア:

[(1, 21950309475), (3, 7316769825), (5, 4390061895), (9, 2438923275), (15, 1463353965), (17, 1291194675), (25, 878012379), (27, 812974425), (45, 487784655), (51, 430398225), (75, 292670793), (81, 270991475), (85, 258238935), (135, 162594885), (153, 143466075), (225, 97556931), (255, 86079645), (405, 54198295), (425, 51647787), (459, 47822025), (675, 32518977), (765, 28693215), (1275, 17215929), (1377, 15940675), (2025, 10839659), (2295, 9564405), (3825, 5738643), (6885, 3188135), (11475, 1912881), (34425, 637627)]