21947376

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:430

約数の個数: 80

約数和(自身を含む): 62460288

約数和(自身を除く): 40512912

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 197, 211, 264, 394, 422, 528, 591, 633, 788, 844, 1182, 1266, 1576, 1688, 2167, 2321, 2364, 2532, 3152, 3376, 4334, 4642, 4728, 5064, 6501, 6963, 8668, 9284, 9456, 10128, 13002, 13926, 17336, 18568, 26004, 27852, 34672, 37136, 41567, 52008, 55704, 83134, 104016, 111408, 124701, 166268, 249402, 332536, 457237, 498804, 665072, 914474, 997608, 1371711, 1828948, 1995216, 2743422, 3657896, 5486844, 7315792, 10973688, 21947376]

約数ペア:

[(1, 21947376), (2, 10973688), (3, 7315792), (4, 5486844), (6, 3657896), (8, 2743422), (11, 1995216), (12, 1828948), (16, 1371711), (22, 997608), (24, 914474), (33, 665072), (44, 498804), (48, 457237), (66, 332536), (88, 249402), (132, 166268), (176, 124701), (197, 111408), (211, 104016), (264, 83134), (394, 55704), (422, 52008), (528, 41567), (591, 37136), (633, 34672), (788, 27852), (844, 26004), (1182, 18568), (1266, 17336), (1576, 13926), (1688, 13002), (2167, 10128), (2321, 9456), (2364, 9284), (2532, 8668), (3152, 6963), (3376, 6501), (4334, 5064), (4642, 4728)]