21051696

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:634

約数の個数: 80

約数和(自身を含む): 58746240

約数和(自身を除く): 37694544

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 41, 48, 57, 76, 82, 114, 123, 152, 164, 228, 246, 304, 328, 456, 492, 563, 656, 779, 912, 984, 1126, 1558, 1689, 1968, 2252, 2337, 3116, 3378, 4504, 4674, 6232, 6756, 9008, 9348, 10697, 12464, 13512, 18696, 21394, 23083, 27024, 32091, 37392, 42788, 46166, 64182, 69249, 85576, 92332, 128364, 138498, 171152, 184664, 256728, 276996, 369328, 438577, 513456, 553992, 877154, 1107984, 1315731, 1754308, 2631462, 3508616, 5262924, 7017232, 10525848, 21051696]

約数ペア:

[(1, 21051696), (2, 10525848), (3, 7017232), (4, 5262924), (6, 3508616), (8, 2631462), (12, 1754308), (16, 1315731), (19, 1107984), (24, 877154), (38, 553992), (41, 513456), (48, 438577), (57, 369328), (76, 276996), (82, 256728), (114, 184664), (123, 171152), (152, 138498), (164, 128364), (228, 92332), (246, 85576), (304, 69249), (328, 64182), (456, 46166), (492, 42788), (563, 37392), (656, 32091), (779, 27024), (912, 23083), (984, 21394), (1126, 18696), (1558, 13512), (1689, 12464), (1968, 10697), (2252, 9348), (2337, 9008), (3116, 6756), (3378, 6232), (4504, 4674)]