21350904

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{6791}}^1$

素因数の和:6931

約数の個数: 32

約数和(自身を含む): 53792640

約数和(自身を除く): 32441736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 262, 393, 524, 786, 1048, 1572, 3144, 6791, 13582, 20373, 27164, 40746, 54328, 81492, 162984, 889621, 1779242, 2668863, 3558484, 5337726, 7116968, 10675452, 21350904]

約数ペア:

[(1, 21350904), (2, 10675452), (3, 7116968), (4, 5337726), (6, 3558484), (8, 2668863), (12, 1779242), (24, 889621), (131, 162984), (262, 81492), (393, 54328), (524, 40746), (786, 27164), (1048, 20373), (1572, 13582), (3144, 6791)]