21761632

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 45904320

約数和(自身を除く): 24142688

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 109, 136, 218, 272, 367, 436, 544, 734, 872, 1468, 1744, 1853, 2936, 3488, 3706, 5872, 6239, 7412, 11744, 12478, 14824, 24956, 29648, 40003, 49912, 59296, 80006, 99824, 160012, 199648, 320024, 640048, 680051, 1280096, 1360102, 2720204, 5440408, 10880816, 21761632]

約数ペア:

[(1, 21761632), (2, 10880816), (4, 5440408), (8, 2720204), (16, 1360102), (17, 1280096), (32, 680051), (34, 640048), (68, 320024), (109, 199648), (136, 160012), (218, 99824), (272, 80006), (367, 59296), (436, 49912), (544, 40003), (734, 29648), (872, 24956), (1468, 14824), (1744, 12478), (1853, 11744), (2936, 7412), (3488, 6239), (3706, 5872)]