21167994806

素因数分解:

$2^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{419}}^1\times {\mathrm{6211}}^1$

素因数の和:6729

約数の個数: 48

約数和(自身を含む): 37476250560

約数和(自身を除く): 16308255754

約数列:

[1, 2, 7, 14, 49, 83, 98, 166, 419, 581, 838, 1162, 2933, 4067, 5866, 6211, 8134, 12422, 20531, 34777, 41062, 43477, 69554, 86954, 243439, 304339, 486878, 515513, 608678, 1031026, 1704073, 2602409, 3408146, 3608591, 5204818, 7217182, 18216863, 25260137, 36433726, 50520274, 127518041, 215999947, 255036082, 431999894, 1511999629, 3023999258, 10583997403, 21167994806]

約数ペア:

[(1, 21167994806), (2, 10583997403), (7, 3023999258), (14, 1511999629), (49, 431999894), (83, 255036082), (98, 215999947), (166, 127518041), (419, 50520274), (581, 36433726), (838, 25260137), (1162, 18216863), (2933, 7217182), (4067, 5204818), (5866, 3608591), (6211, 3408146), (8134, 2602409), (12422, 1704073), (20531, 1031026), (34777, 608678), (41062, 515513), (43477, 486878), (69554, 304339), (86954, 243439)]