21441488

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{4637}}^1$

素因数の和:4679

約数の個数: 30

約数和(自身を含む): 44139846

約数和(自身を除く): 22698358

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4624, 4637, 9274, 18548, 37096, 74192, 78829, 157658, 315316, 630632, 1261264, 1340093, 2680186, 5360372, 10720744, 21441488]

約数ペア:

[(1, 21441488), (2, 10720744), (4, 5360372), (8, 2680186), (16, 1340093), (17, 1261264), (34, 630632), (68, 315316), (136, 157658), (272, 78829), (289, 74192), (578, 37096), (1156, 18548), (2312, 9274), (4624, 4637)]