21865272

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 67253760

約数和(自身を除く): 45388488

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 23, 24, 26, 33, 39, 44, 46, 52, 66, 69, 78, 88, 92, 104, 132, 138, 143, 156, 184, 253, 264, 276, 277, 286, 299, 312, 429, 506, 552, 554, 572, 598, 759, 831, 858, 897, 1012, 1108, 1144, 1196, 1518, 1662, 1716, 1794, 2024, 2216, 2392, 3036, 3047, 3289, 3324, 3432, 3588, 3601, 6072, 6094, 6371, 6578, 6648, 7176, 7202, 9141, 9867, 10803, 12188, 12742, 13156, 14404, 18282, 19113, 19734, 21606, 24376, 25484, 26312, 28808, 36564, 38226, 39468, 39611, 43212, 50968, 70081, 73128, 76452, 78936, 79222, 82823, 86424, 118833, 140162, 152904, 158444, 165646, 210243, 237666, 248469, 280324, 316888, 331292, 420486, 475332, 496938, 560648, 662584, 840972, 911053, 950664, 993876, 1681944, 1822106, 1987752, 2733159, 3644212, 5466318, 7288424, 10932636, 21865272]

約数ペア:

[(1, 21865272), (2, 10932636), (3, 7288424), (4, 5466318), (6, 3644212), (8, 2733159), (11, 1987752), (12, 1822106), (13, 1681944), (22, 993876), (23, 950664), (24, 911053), (26, 840972), (33, 662584), (39, 560648), (44, 496938), (46, 475332), (52, 420486), (66, 331292), (69, 316888), (78, 280324), (88, 248469), (92, 237666), (104, 210243), (132, 165646), (138, 158444), (143, 152904), (156, 140162), (184, 118833), (253, 86424), (264, 82823), (276, 79222), (277, 78936), (286, 76452), (299, 73128), (312, 70081), (429, 50968), (506, 43212), (552, 39611), (554, 39468), (572, 38226), (598, 36564), (759, 28808), (831, 26312), (858, 25484), (897, 24376), (1012, 21606), (1108, 19734), (1144, 19113), (1196, 18282), (1518, 14404), (1662, 13156), (1716, 12742), (1794, 12188), (2024, 10803), (2216, 9867), (2392, 9141), (3036, 7202), (3047, 7176), (3289, 6648), (3324, 6578), (3432, 6371), (3588, 6094), (3601, 6072)]