21082470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 52842240

約数和(自身を除く): 31759770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 59, 86, 118, 129, 177, 215, 258, 277, 295, 354, 430, 554, 590, 645, 831, 885, 1290, 1385, 1662, 1770, 2537, 2770, 4155, 5074, 7611, 8310, 11911, 12685, 15222, 16343, 23822, 25370, 32686, 35733, 38055, 49029, 59555, 71466, 76110, 81715, 98058, 119110, 163430, 178665, 245145, 357330, 490290, 702749, 1405498, 2108247, 3513745, 4216494, 7027490, 10541235, 21082470]

約数ペア:

[(1, 21082470), (2, 10541235), (3, 7027490), (5, 4216494), (6, 3513745), (10, 2108247), (15, 1405498), (30, 702749), (43, 490290), (59, 357330), (86, 245145), (118, 178665), (129, 163430), (177, 119110), (215, 98058), (258, 81715), (277, 76110), (295, 71466), (354, 59555), (430, 49029), (554, 38055), (590, 35733), (645, 32686), (831, 25370), (885, 23822), (1290, 16343), (1385, 15222), (1662, 12685), (1770, 11911), (2537, 8310), (2770, 7611), (4155, 5074)]