21609920464

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{656597}}^1$

素因数の和:656644

約数の個数: 60

約数和(自身を含む): 48728763972

約数和(自身を除く): 27118843508

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 121, 136, 176, 187, 242, 272, 374, 484, 748, 968, 1496, 1936, 2057, 2992, 4114, 8228, 16456, 32912, 656597, 1313194, 2626388, 5252776, 7222567, 10505552, 11162149, 14445134, 22324298, 28890268, 44648596, 57780536, 79448237, 89297192, 115561072, 122783639, 158896474, 178594384, 245567278, 317792948, 491134556, 635585896, 982269112, 1271171792, 1350620029, 1964538224, 2701240058, 5402480116, 10804960232, 21609920464]

約数ペア:

[(1, 21609920464), (2, 10804960232), (4, 5402480116), (8, 2701240058), (11, 1964538224), (16, 1350620029), (17, 1271171792), (22, 982269112), (34, 635585896), (44, 491134556), (68, 317792948), (88, 245567278), (121, 178594384), (136, 158896474), (176, 122783639), (187, 115561072), (242, 89297192), (272, 79448237), (374, 57780536), (484, 44648596), (748, 28890268), (968, 22324298), (1496, 14445134), (1936, 11162149), (2057, 10505552), (2992, 7222567), (4114, 5252776), (8228, 2626388), (16456, 1313194), (32912, 656597)]