21876804

素因数分解:

$2^2\times 3^5\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 58339008

約数和(自身を除く): 36462204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 81, 108, 142, 162, 213, 243, 284, 317, 324, 426, 486, 634, 639, 852, 951, 972, 1268, 1278, 1902, 1917, 2556, 2853, 3804, 3834, 5706, 5751, 7668, 8559, 11412, 11502, 17118, 17253, 22507, 23004, 25677, 34236, 34506, 45014, 51354, 67521, 69012, 77031, 90028, 102708, 135042, 154062, 202563, 270084, 308124, 405126, 607689, 810252, 1215378, 1823067, 2430756, 3646134, 5469201, 7292268, 10938402, 21876804]

約数ペア:

[(1, 21876804), (2, 10938402), (3, 7292268), (4, 5469201), (6, 3646134), (9, 2430756), (12, 1823067), (18, 1215378), (27, 810252), (36, 607689), (54, 405126), (71, 308124), (81, 270084), (108, 202563), (142, 154062), (162, 135042), (213, 102708), (243, 90028), (284, 77031), (317, 69012), (324, 67521), (426, 51354), (486, 45014), (634, 34506), (639, 34236), (852, 25677), (951, 23004), (972, 22507), (1268, 17253), (1278, 17118), (1902, 11502), (1917, 11412), (2556, 8559), (2853, 7668), (3804, 5751), (3834, 5706)]