21269210608

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{119447}}^1$

素因数の和:119845

約数の個数: 40

約数和(自身を含む): 42657269760

約数和(自身を除く): 21388059152

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 359, 496, 718, 1436, 2872, 5744, 11129, 22258, 44516, 89032, 119447, 178064, 238894, 477788, 955576, 1911152, 3702857, 7405714, 14811428, 29622856, 42881473, 59245712, 85762946, 171525892, 343051784, 686103568, 1329325663, 2658651326, 5317302652, 10634605304, 21269210608]

約数ペア:

[(1, 21269210608), (2, 10634605304), (4, 5317302652), (8, 2658651326), (16, 1329325663), (31, 686103568), (62, 343051784), (124, 171525892), (248, 85762946), (359, 59245712), (496, 42881473), (718, 29622856), (1436, 14811428), (2872, 7405714), (5744, 3702857), (11129, 1911152), (22258, 955576), (44516, 477788), (89032, 238894), (119447, 178064)]