21787662416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1109}}^1\times {\mathrm{3257}}^1$

素因数の和:4416

約数の個数: 80

約数和(自身を含む): 47085267600

約数和(自身を除く): 25297605184

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1109, 1508, 2218, 3016, 3257, 4436, 6032, 6514, 8872, 13028, 14417, 17744, 26056, 28834, 32161, 42341, 52112, 57668, 64322, 84682, 94453, 115336, 128644, 169364, 188906, 230672, 257288, 338728, 377812, 418093, 514576, 677456, 755624, 836186, 1227889, 1511248, 1672372, 2455778, 3344744, 3612013, 4911556, 6689488, 7224026, 9823112, 14448052, 19646224, 28896104, 46956169, 57792208, 93912338, 104748377, 187824676, 209496754, 375649352, 418993508, 751298704, 837987016, 1361728901, 1675974032, 2723457802, 5446915604, 10893831208, 21787662416]

約数ペア:

[(1, 21787662416), (2, 10893831208), (4, 5446915604), (8, 2723457802), (13, 1675974032), (16, 1361728901), (26, 837987016), (29, 751298704), (52, 418993508), (58, 375649352), (104, 209496754), (116, 187824676), (208, 104748377), (232, 93912338), (377, 57792208), (464, 46956169), (754, 28896104), (1109, 19646224), (1508, 14448052), (2218, 9823112), (3016, 7224026), (3257, 6689488), (4436, 4911556), (6032, 3612013), (6514, 3344744), (8872, 2455778), (13028, 1672372), (14417, 1511248), (17744, 1227889), (26056, 836186), (28834, 755624), (32161, 677456), (42341, 514576), (52112, 418093), (57668, 377812), (64322, 338728), (84682, 257288), (94453, 230672), (115336, 188906), (128644, 169364)]