21624736

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5081}}^1$

素因数の和:5117

約数の個数: 48

約数和(自身を含む): 51226560

約数和(自身を除く): 29601824

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 5081, 10162, 20324, 35567, 40648, 71134, 81296, 96539, 142268, 162592, 193078, 284536, 386156, 569072, 675773, 772312, 1138144, 1351546, 1544624, 2703092, 3089248, 5406184, 10812368, 21624736]

約数ペア:

[(1, 21624736), (2, 10812368), (4, 5406184), (7, 3089248), (8, 2703092), (14, 1544624), (16, 1351546), (19, 1138144), (28, 772312), (32, 675773), (38, 569072), (56, 386156), (76, 284536), (112, 193078), (133, 162592), (152, 142268), (224, 96539), (266, 81296), (304, 71134), (532, 40648), (608, 35567), (1064, 20324), (2128, 10162), (4256, 5081)]