2149883421

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{1163}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 3566868480

約数和(自身を除く): 1416985059

約数列:

[1, 3, 7, 19, 21, 41, 57, 113, 123, 133, 287, 339, 399, 779, 791, 861, 1163, 2147, 2337, 2373, 3489, 4633, 5453, 6441, 8141, 13899, 15029, 16359, 22097, 24423, 32431, 45087, 47683, 66291, 88027, 97293, 131419, 143049, 154679, 264081, 333781, 394257, 464037, 616189, 905977, 919933, 1001343, 1848567, 2496961, 2717931, 2759799, 5388179, 6341839, 7490883, 16164537, 17478727, 19025517, 37717253, 52436181, 102375401, 113151759, 307126203, 716627807, 2149883421]

約数ペア:

[(1, 2149883421), (3, 716627807), (7, 307126203), (19, 113151759), (21, 102375401), (41, 52436181), (57, 37717253), (113, 19025517), (123, 17478727), (133, 16164537), (287, 7490883), (339, 6341839), (399, 5388179), (779, 2759799), (791, 2717931), (861, 2496961), (1163, 1848567), (2147, 1001343), (2337, 919933), (2373, 905977), (3489, 616189), (4633, 464037), (5453, 394257), (6441, 333781), (8141, 264081), (13899, 154679), (15029, 143049), (16359, 131419), (22097, 97293), (24423, 88027), (32431, 66291), (45087, 47683)]