21941352

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 64178400

約数和(自身を除く): 42237048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 43, 57, 72, 76, 86, 114, 129, 152, 171, 172, 228, 258, 342, 344, 373, 387, 456, 516, 684, 746, 774, 817, 1032, 1119, 1368, 1492, 1548, 1634, 2238, 2451, 2984, 3096, 3268, 3357, 4476, 4902, 6536, 6714, 7087, 7353, 8952, 9804, 13428, 14174, 14706, 16039, 19608, 21261, 26856, 28348, 29412, 32078, 42522, 48117, 56696, 58824, 63783, 64156, 85044, 96234, 127566, 128312, 144351, 170088, 192468, 255132, 288702, 304741, 384936, 510264, 577404, 609482, 914223, 1154808, 1218964, 1828446, 2437928, 2742669, 3656892, 5485338, 7313784, 10970676, 21941352]

約数ペア:

[(1, 21941352), (2, 10970676), (3, 7313784), (4, 5485338), (6, 3656892), (8, 2742669), (9, 2437928), (12, 1828446), (18, 1218964), (19, 1154808), (24, 914223), (36, 609482), (38, 577404), (43, 510264), (57, 384936), (72, 304741), (76, 288702), (86, 255132), (114, 192468), (129, 170088), (152, 144351), (171, 128312), (172, 127566), (228, 96234), (258, 85044), (342, 64156), (344, 63783), (373, 58824), (387, 56696), (456, 48117), (516, 42522), (684, 32078), (746, 29412), (774, 28348), (817, 26856), (1032, 21261), (1119, 19608), (1368, 16039), (1492, 14706), (1548, 14174), (1634, 13428), (2238, 9804), (2451, 8952), (2984, 7353), (3096, 7087), (3268, 6714), (3357, 6536), (4476, 4902)]