21484484

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 45550848

約数和(自身を除く): 24066364

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 73, 92, 146, 161, 292, 322, 457, 511, 644, 914, 1022, 1679, 1828, 2044, 3199, 3358, 6398, 6716, 10511, 11753, 12796, 21022, 23506, 33361, 42044, 47012, 66722, 73577, 133444, 147154, 233527, 294308, 467054, 767303, 934108, 1534606, 3069212, 5371121, 10742242, 21484484]

約数ペア:

[(1, 21484484), (2, 10742242), (4, 5371121), (7, 3069212), (14, 1534606), (23, 934108), (28, 767303), (46, 467054), (73, 294308), (92, 233527), (146, 147154), (161, 133444), (292, 73577), (322, 66722), (457, 47012), (511, 42044), (644, 33361), (914, 23506), (1022, 21022), (1679, 12796), (1828, 11753), (2044, 10511), (3199, 6716), (3358, 6398)]