21071076

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7109}}^1$

素因数の和:7148

約数の個数: 48

約数和(自身を含む): 55742400

約数和(自身を除く): 34671324

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 7109, 14218, 21327, 28436, 42654, 85308, 92417, 135071, 184834, 270142, 277251, 369668, 405213, 540284, 554502, 810426, 1109004, 1620852, 1755923, 3511846, 5267769, 7023692, 10535538, 21071076]

約数ペア:

[(1, 21071076), (2, 10535538), (3, 7023692), (4, 5267769), (6, 3511846), (12, 1755923), (13, 1620852), (19, 1109004), (26, 810426), (38, 554502), (39, 540284), (52, 405213), (57, 369668), (76, 277251), (78, 270142), (114, 184834), (156, 135071), (228, 92417), (247, 85308), (494, 42654), (741, 28436), (988, 21327), (1482, 14218), (2964, 7109)]