21275778898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{1487}}^1$

素因数の和:1783

約数の個数: 64

約数和(自身を含む): 36151971840

約数和(自身を除く): 14876192942

約数列:

[1, 2, 11, 22, 59, 73, 118, 146, 151, 302, 649, 803, 1298, 1487, 1606, 1661, 2974, 3322, 4307, 8614, 8909, 11023, 16357, 17818, 22046, 32714, 47377, 87733, 94754, 97999, 108551, 121253, 175466, 195998, 217102, 224537, 242506, 449074, 650357, 965063, 1194061, 1300714, 1930126, 2388122, 2469907, 4939814, 6404509, 7153927, 12809018, 13247683, 14307854, 16391201, 26495366, 32782402, 70449599, 140899198, 145724513, 180303211, 291449026, 360606422, 967080859, 1934161718, 10637889449, 21275778898]

約数ペア:

[(1, 21275778898), (2, 10637889449), (11, 1934161718), (22, 967080859), (59, 360606422), (73, 291449026), (118, 180303211), (146, 145724513), (151, 140899198), (302, 70449599), (649, 32782402), (803, 26495366), (1298, 16391201), (1487, 14307854), (1606, 13247683), (1661, 12809018), (2974, 7153927), (3322, 6404509), (4307, 4939814), (8614, 2469907), (8909, 2388122), (11023, 1930126), (16357, 1300714), (17818, 1194061), (22046, 965063), (32714, 650357), (47377, 449074), (87733, 242506), (94754, 224537), (97999, 217102), (108551, 195998), (121253, 175466)]