21121344

素因数分解:

$2^6\times 3^3\times {\mathrm{17}}^1\times {\mathrm{719}}^1$

素因数の和:757

約数の個数: 112

約数和(自身を含む): 65836800

約数和(自身を除く): 44715456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 96, 102, 108, 136, 144, 153, 192, 204, 216, 272, 288, 306, 408, 432, 459, 544, 576, 612, 719, 816, 864, 918, 1088, 1224, 1438, 1632, 1728, 1836, 2157, 2448, 2876, 3264, 3672, 4314, 4896, 5752, 6471, 7344, 8628, 9792, 11504, 12223, 12942, 14688, 17256, 19413, 23008, 24446, 25884, 29376, 34512, 36669, 38826, 46016, 48892, 51768, 69024, 73338, 77652, 97784, 103536, 110007, 138048, 146676, 155304, 195568, 207072, 220014, 293352, 310608, 330021, 391136, 414144, 440028, 586704, 621216, 660042, 782272, 880056, 1173408, 1242432, 1320084, 1760112, 2346816, 2640168, 3520224, 5280336, 7040448, 10560672, 21121344]

約数ペア:

[(1, 21121344), (2, 10560672), (3, 7040448), (4, 5280336), (6, 3520224), (8, 2640168), (9, 2346816), (12, 1760112), (16, 1320084), (17, 1242432), (18, 1173408), (24, 880056), (27, 782272), (32, 660042), (34, 621216), (36, 586704), (48, 440028), (51, 414144), (54, 391136), (64, 330021), (68, 310608), (72, 293352), (96, 220014), (102, 207072), (108, 195568), (136, 155304), (144, 146676), (153, 138048), (192, 110007), (204, 103536), (216, 97784), (272, 77652), (288, 73338), (306, 69024), (408, 51768), (432, 48892), (459, 46016), (544, 38826), (576, 36669), (612, 34512), (719, 29376), (816, 25884), (864, 24446), (918, 23008), (1088, 19413), (1224, 17256), (1438, 14688), (1632, 12942), (1728, 12223), (1836, 11504), (2157, 9792), (2448, 8628), (2876, 7344), (3264, 6471), (3672, 5752), (4314, 4896)]