21341164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4231}}^1$

素因数の和:4345

約数の個数: 24

約数和(自身を含む): 40644128

約数和(自身を除く): 19302964

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 4231, 5044, 8462, 16924, 55003, 110006, 220012, 410407, 820814, 1641628, 5335291, 10670582, 21341164]

約数ペア:

[(1, 21341164), (2, 10670582), (4, 5335291), (13, 1641628), (26, 820814), (52, 410407), (97, 220012), (194, 110006), (388, 55003), (1261, 16924), (2522, 8462), (4231, 5044)]