21991536

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{21817}}^1$

素因数の和:21838

約数の個数: 60

約数和(自身を含む): 70341232

約数和(自身を除く): 48349696

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 21817, 43634, 65451, 87268, 130902, 152719, 174536, 196353, 261804, 305438, 349072, 392706, 458157, 523608, 610876, 785412, 916314, 1047216, 1221752, 1374471, 1570824, 1832628, 2443504, 2748942, 3141648, 3665256, 5497884, 7330512, 10995768, 21991536]

約数ペア:

[(1, 21991536), (2, 10995768), (3, 7330512), (4, 5497884), (6, 3665256), (7, 3141648), (8, 2748942), (9, 2443504), (12, 1832628), (14, 1570824), (16, 1374471), (18, 1221752), (21, 1047216), (24, 916314), (28, 785412), (36, 610876), (42, 523608), (48, 458157), (56, 392706), (63, 349072), (72, 305438), (84, 261804), (112, 196353), (126, 174536), (144, 152719), (168, 130902), (252, 87268), (336, 65451), (504, 43634), (1008, 21817)]