21679567679

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{247193}}^1$

素因数の和:247295

約数の個数: 32

約数和(自身を含む): 29046283776

約数和(自身を除く): 7366716097

約数列:

[1, 7, 11, 17, 67, 77, 119, 187, 469, 737, 1139, 1309, 5159, 7973, 12529, 87703, 247193, 1730351, 2719123, 4202281, 16561931, 19033861, 29415967, 46225091, 115933517, 182181241, 281552827, 323575637, 1275268687, 1970869789, 3097081097, 21679567679]

約数ペア:

[(1, 21679567679), (7, 3097081097), (11, 1970869789), (17, 1275268687), (67, 323575637), (77, 281552827), (119, 182181241), (187, 115933517), (469, 46225091), (737, 29415967), (1139, 19033861), (1309, 16561931), (5159, 4202281), (7973, 2719123), (12529, 1730351), (87703, 247193)]