21813596

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 46421760

約数和(自身を除く): 24608164

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 131, 133, 262, 266, 313, 524, 532, 626, 917, 1252, 1834, 2191, 2489, 3668, 4382, 4978, 5947, 8764, 9956, 11894, 17423, 23788, 34846, 41003, 41629, 69692, 82006, 83258, 164012, 166516, 287021, 574042, 779057, 1148084, 1558114, 3116228, 5453399, 10906798, 21813596]

約数ペア:

[(1, 21813596), (2, 10906798), (4, 5453399), (7, 3116228), (14, 1558114), (19, 1148084), (28, 779057), (38, 574042), (76, 287021), (131, 166516), (133, 164012), (262, 83258), (266, 82006), (313, 69692), (524, 41629), (532, 41003), (626, 34846), (917, 23788), (1252, 17423), (1834, 11894), (2191, 9956), (2489, 8764), (3668, 5947), (4382, 4978)]