21372144

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 58281984

約数和(自身を除く): 36909840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 53, 62, 93, 106, 124, 159, 186, 212, 248, 271, 318, 372, 424, 496, 542, 636, 744, 813, 848, 1084, 1272, 1488, 1626, 1643, 2168, 2544, 3252, 3286, 4336, 4929, 6504, 6572, 8401, 9858, 13008, 13144, 14363, 16802, 19716, 25203, 26288, 28726, 33604, 39432, 43089, 50406, 57452, 67208, 78864, 86178, 100812, 114904, 134416, 172356, 201624, 229808, 344712, 403248, 445253, 689424, 890506, 1335759, 1781012, 2671518, 3562024, 5343036, 7124048, 10686072, 21372144]

約数ペア:

[(1, 21372144), (2, 10686072), (3, 7124048), (4, 5343036), (6, 3562024), (8, 2671518), (12, 1781012), (16, 1335759), (24, 890506), (31, 689424), (48, 445253), (53, 403248), (62, 344712), (93, 229808), (106, 201624), (124, 172356), (159, 134416), (186, 114904), (212, 100812), (248, 86178), (271, 78864), (318, 67208), (372, 57452), (424, 50406), (496, 43089), (542, 39432), (636, 33604), (744, 28726), (813, 26288), (848, 25203), (1084, 19716), (1272, 16802), (1488, 14363), (1626, 13144), (1643, 13008), (2168, 9858), (2544, 8401), (3252, 6572), (3286, 6504), (4336, 4929)]