21787703072

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{2917}}^1\times {\mathrm{5693}}^1$

素因数の和:8661

約数の個数: 48

約数和(自身を含む): 43963533432

約数和(自身を除く): 22175830360

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 2917, 5693, 5834, 11386, 11668, 22772, 23336, 45544, 46672, 91088, 93344, 119597, 182176, 233413, 239194, 466826, 478388, 933652, 956776, 1867304, 1913552, 3734608, 3827104, 7469216, 16606481, 33212962, 66425924, 132851848, 265703696, 531407392, 680865721, 1361731442, 2723462884, 5446925768, 10893851536, 21787703072]

約数ペア:

[(1, 21787703072), (2, 10893851536), (4, 5446925768), (8, 2723462884), (16, 1361731442), (32, 680865721), (41, 531407392), (82, 265703696), (164, 132851848), (328, 66425924), (656, 33212962), (1312, 16606481), (2917, 7469216), (5693, 3827104), (5834, 3734608), (11386, 1913552), (11668, 1867304), (22772, 956776), (23336, 933652), (45544, 478388), (46672, 466826), (91088, 239194), (93344, 233413), (119597, 182176)]