21991396896

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10908431}}^1$

素因数の和:10908454

約数の個数: 72

約数和(自身を含む): 71472046464

約数和(自身を除く): 49480649568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10908431, 21816862, 32725293, 43633724, 65450586, 76359017, 87267448, 98175879, 130901172, 152718034, 174534896, 196351758, 229077051, 261802344, 305436068, 349069792, 392703516, 458154102, 523604688, 610872136, 687231153, 785407032, 916308204, 1047209376, 1221744272, 1374462306, 1570814064, 1832616408, 2443488544, 2748924612, 3141628128, 3665232816, 5497849224, 7330465632, 10995698448, 21991396896]

約数ペア:

[(1, 21991396896), (2, 10995698448), (3, 7330465632), (4, 5497849224), (6, 3665232816), (7, 3141628128), (8, 2748924612), (9, 2443488544), (12, 1832616408), (14, 1570814064), (16, 1374462306), (18, 1221744272), (21, 1047209376), (24, 916308204), (28, 785407032), (32, 687231153), (36, 610872136), (42, 523604688), (48, 458154102), (56, 392703516), (63, 349069792), (72, 305436068), (84, 261802344), (96, 229077051), (112, 196351758), (126, 174534896), (144, 152718034), (168, 130901172), (224, 98175879), (252, 87267448), (288, 76359017), (336, 65450586), (504, 43633724), (672, 32725293), (1008, 21816862), (2016, 10908431)]