21691152

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{797}}^1$

素因数の和:827

約数の個数: 120

約数和(自身を含む): 72037056

約数和(自身を除く): 50345904

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 81, 84, 108, 112, 126, 144, 162, 168, 189, 216, 243, 252, 324, 336, 378, 432, 486, 504, 567, 648, 756, 797, 972, 1008, 1134, 1296, 1512, 1594, 1701, 1944, 2268, 2391, 3024, 3188, 3402, 3888, 4536, 4782, 5579, 6376, 6804, 7173, 9072, 9564, 11158, 12752, 13608, 14346, 16737, 19128, 21519, 22316, 27216, 28692, 33474, 38256, 43038, 44632, 50211, 57384, 64557, 66948, 86076, 89264, 100422, 114768, 129114, 133896, 150633, 172152, 193671, 200844, 258228, 267792, 301266, 344304, 387342, 401688, 451899, 516456, 602532, 774684, 803376, 903798, 1032912, 1205064, 1355697, 1549368, 1807596, 2410128, 2711394, 3098736, 3615192, 5422788, 7230384, 10845576, 21691152]

約数ペア:

[(1, 21691152), (2, 10845576), (3, 7230384), (4, 5422788), (6, 3615192), (7, 3098736), (8, 2711394), (9, 2410128), (12, 1807596), (14, 1549368), (16, 1355697), (18, 1205064), (21, 1032912), (24, 903798), (27, 803376), (28, 774684), (36, 602532), (42, 516456), (48, 451899), (54, 401688), (56, 387342), (63, 344304), (72, 301266), (81, 267792), (84, 258228), (108, 200844), (112, 193671), (126, 172152), (144, 150633), (162, 133896), (168, 129114), (189, 114768), (216, 100422), (243, 89264), (252, 86076), (324, 66948), (336, 64557), (378, 57384), (432, 50211), (486, 44632), (504, 43038), (567, 38256), (648, 33474), (756, 28692), (797, 27216), (972, 22316), (1008, 21519), (1134, 19128), (1296, 16737), (1512, 14346), (1594, 13608), (1701, 12752), (1944, 11158), (2268, 9564), (2391, 9072), (3024, 7173), (3188, 6804), (3402, 6376), (3888, 5579), (4536, 4782)]