21556050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1097}}^1$

素因数の和:1243

約数の個数: 48

約数和(自身を含む): 53916192

約数和(自身を除く): 32360142

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 131, 150, 262, 393, 655, 786, 1097, 1310, 1965, 2194, 3275, 3291, 3930, 5485, 6550, 6582, 9825, 10970, 16455, 19650, 27425, 32910, 54850, 82275, 143707, 164550, 287414, 431121, 718535, 862242, 1437070, 2155605, 3592675, 4311210, 7185350, 10778025, 21556050]

約数ペア:

[(1, 21556050), (2, 10778025), (3, 7185350), (5, 4311210), (6, 3592675), (10, 2155605), (15, 1437070), (25, 862242), (30, 718535), (50, 431121), (75, 287414), (131, 164550), (150, 143707), (262, 82275), (393, 54850), (655, 32910), (786, 27425), (1097, 19650), (1310, 16455), (1965, 10970), (2194, 9825), (3275, 6582), (3291, 6550), (3930, 5485)]