21000949050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{1747}}^1\times {\mathrm{80141}}^1$

素因数の和:81903

約数の個数: 48

約数和(自身を含む): 52112816352

約数和(自身を除く): 31111867302

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 1747, 3494, 5241, 8735, 10482, 17470, 26205, 43675, 52410, 80141, 87350, 131025, 160282, 240423, 262050, 400705, 480846, 801410, 1202115, 2003525, 2404230, 4007050, 6010575, 12021150, 140006327, 280012654, 420018981, 700031635, 840037962, 1400063270, 2100094905, 3500158175, 4200189810, 7000316350, 10500474525, 21000949050]

約数ペア:

[(1, 21000949050), (2, 10500474525), (3, 7000316350), (5, 4200189810), (6, 3500158175), (10, 2100094905), (15, 1400063270), (25, 840037962), (30, 700031635), (50, 420018981), (75, 280012654), (150, 140006327), (1747, 12021150), (3494, 6010575), (5241, 4007050), (8735, 2404230), (10482, 2003525), (17470, 1202115), (26205, 801410), (43675, 480846), (52410, 400705), (80141, 262050), (87350, 240423), (131025, 160282)]