21330834

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 51287040

約数和(自身を除く): 29956206

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 83, 87, 166, 174, 203, 211, 249, 406, 422, 498, 581, 609, 633, 1162, 1218, 1266, 1477, 1743, 2407, 2954, 3486, 4431, 4814, 6119, 7221, 8862, 12238, 14442, 16849, 17513, 18357, 33698, 35026, 36714, 42833, 50547, 52539, 85666, 101094, 105078, 122591, 128499, 245182, 256998, 367773, 507877, 735546, 1015754, 1523631, 3047262, 3555139, 7110278, 10665417, 21330834]

約数ペア:

[(1, 21330834), (2, 10665417), (3, 7110278), (6, 3555139), (7, 3047262), (14, 1523631), (21, 1015754), (29, 735546), (42, 507877), (58, 367773), (83, 256998), (87, 245182), (166, 128499), (174, 122591), (203, 105078), (211, 101094), (249, 85666), (406, 52539), (422, 50547), (498, 42833), (581, 36714), (609, 35026), (633, 33698), (1162, 18357), (1218, 17513), (1266, 16849), (1477, 14442), (1743, 12238), (2407, 8862), (2954, 7221), (3486, 6119), (4431, 4814)]