21652723455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{24821}}^1$

素因数の和:25168

約数の個数: 64

約数和(自身を含む): 40147301376

約数和(自身を除く): 18494577921

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 311, 561, 933, 935, 1555, 2805, 3421, 4665, 5287, 10263, 15861, 17105, 24821, 26435, 51315, 58157, 74463, 79305, 124105, 174471, 273031, 290785, 372315, 421957, 819093, 872355, 1265871, 1365155, 2109785, 4095465, 4641527, 6329355, 7719331, 13924581, 23157993, 23207635, 38596655, 69622905, 84912641, 115789965, 131228627, 254737923, 393685881, 424563205, 656143135, 1273689615, 1443514897, 1968429405, 4330544691, 7217574485, 21652723455]

約数ペア:

[(1, 21652723455), (3, 7217574485), (5, 4330544691), (11, 1968429405), (15, 1443514897), (17, 1273689615), (33, 656143135), (51, 424563205), (55, 393685881), (85, 254737923), (165, 131228627), (187, 115789965), (255, 84912641), (311, 69622905), (561, 38596655), (933, 23207635), (935, 23157993), (1555, 13924581), (2805, 7719331), (3421, 6329355), (4665, 4641527), (5287, 4095465), (10263, 2109785), (15861, 1365155), (17105, 1265871), (24821, 872355), (26435, 819093), (51315, 421957), (58157, 372315), (74463, 290785), (79305, 273031), (124105, 174471)]