21445296

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 60183648

約数和(自身を除く): 38738352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 41, 48, 51, 68, 82, 102, 123, 136, 164, 204, 246, 272, 328, 408, 492, 641, 656, 697, 816, 984, 1282, 1394, 1923, 1968, 2091, 2564, 2788, 3846, 4182, 5128, 5576, 7692, 8364, 10256, 10897, 11152, 15384, 16728, 21794, 26281, 30768, 32691, 33456, 43588, 52562, 65382, 78843, 87176, 105124, 130764, 157686, 174352, 210248, 261528, 315372, 420496, 446777, 523056, 630744, 893554, 1261488, 1340331, 1787108, 2680662, 3574216, 5361324, 7148432, 10722648, 21445296]

約数ペア:

[(1, 21445296), (2, 10722648), (3, 7148432), (4, 5361324), (6, 3574216), (8, 2680662), (12, 1787108), (16, 1340331), (17, 1261488), (24, 893554), (34, 630744), (41, 523056), (48, 446777), (51, 420496), (68, 315372), (82, 261528), (102, 210248), (123, 174352), (136, 157686), (164, 130764), (204, 105124), (246, 87176), (272, 78843), (328, 65382), (408, 52562), (492, 43588), (641, 33456), (656, 32691), (697, 30768), (816, 26281), (984, 21794), (1282, 16728), (1394, 15384), (1923, 11152), (1968, 10897), (2091, 10256), (2564, 8364), (2788, 7692), (3846, 5576), (4182, 5128)]