21693798

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1979}}^1$

素因数の和:2026

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 35330202

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 63, 87, 126, 174, 189, 203, 261, 378, 406, 522, 609, 783, 1218, 1566, 1827, 1979, 3654, 3958, 5481, 5937, 10962, 11874, 13853, 17811, 27706, 35622, 41559, 53433, 57391, 83118, 106866, 114782, 124677, 172173, 249354, 344346, 374031, 401737, 516519, 748062, 803474, 1033038, 1205211, 1549557, 2410422, 3099114, 3615633, 7231266, 10846899, 21693798]

約数ペア:

[(1, 21693798), (2, 10846899), (3, 7231266), (6, 3615633), (7, 3099114), (9, 2410422), (14, 1549557), (18, 1205211), (21, 1033038), (27, 803474), (29, 748062), (42, 516519), (54, 401737), (58, 374031), (63, 344346), (87, 249354), (126, 172173), (174, 124677), (189, 114782), (203, 106866), (261, 83118), (378, 57391), (406, 53433), (522, 41559), (609, 35622), (783, 27706), (1218, 17811), (1566, 13853), (1827, 11874), (1979, 10962), (3654, 5937), (3958, 5481)]