21501634

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 43794432

約数和(自身を除く): 22292798

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 43, 77, 86, 119, 154, 187, 191, 238, 301, 374, 382, 473, 602, 731, 946, 1309, 1337, 1462, 2101, 2618, 2674, 3247, 3311, 4202, 5117, 6494, 6622, 8041, 8213, 10234, 14707, 16082, 16426, 22729, 29414, 35717, 45458, 56287, 57491, 71434, 90343, 112574, 114982, 139621, 180686, 250019, 279242, 500038, 632401, 977347, 1264802, 1535831, 1954694, 3071662, 10750817, 21501634]

約数ペア:

[(1, 21501634), (2, 10750817), (7, 3071662), (11, 1954694), (14, 1535831), (17, 1264802), (22, 977347), (34, 632401), (43, 500038), (77, 279242), (86, 250019), (119, 180686), (154, 139621), (187, 114982), (191, 112574), (238, 90343), (301, 71434), (374, 57491), (382, 56287), (473, 45458), (602, 35717), (731, 29414), (946, 22729), (1309, 16426), (1337, 16082), (1462, 14707), (2101, 10234), (2618, 8213), (2674, 8041), (3247, 6622), (3311, 6494), (4202, 5117)]