21167584

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{233}}^1$

素因数の和:427

約数の個数: 48

約数和(自身を含む): 44579808

約数和(自身を除く): 23412224

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 167, 233, 272, 334, 466, 544, 668, 932, 1336, 1864, 2672, 2839, 3728, 3961, 5344, 5678, 7456, 7922, 11356, 15844, 22712, 31688, 38911, 45424, 63376, 77822, 90848, 126752, 155644, 311288, 622576, 661487, 1245152, 1322974, 2645948, 5291896, 10583792, 21167584]

約数ペア:

[(1, 21167584), (2, 10583792), (4, 5291896), (8, 2645948), (16, 1322974), (17, 1245152), (32, 661487), (34, 622576), (68, 311288), (136, 155644), (167, 126752), (233, 90848), (272, 77822), (334, 63376), (466, 45424), (544, 38911), (668, 31688), (932, 22712), (1336, 15844), (1864, 11356), (2672, 7922), (2839, 7456), (3728, 5678), (3961, 5344)]