21238112

素因数分解:

$2^5\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1607}}^1$

素因数の和:1683

約数の個数: 48

約数和(自身を含む): 48625920

約数和(自身を除く): 27387808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 112, 118, 224, 236, 413, 472, 826, 944, 1607, 1652, 1888, 3214, 3304, 6428, 6608, 11249, 12856, 13216, 22498, 25712, 44996, 51424, 89992, 94813, 179984, 189626, 359968, 379252, 663691, 758504, 1327382, 1517008, 2654764, 3034016, 5309528, 10619056, 21238112]

約数ペア:

[(1, 21238112), (2, 10619056), (4, 5309528), (7, 3034016), (8, 2654764), (14, 1517008), (16, 1327382), (28, 758504), (32, 663691), (56, 379252), (59, 359968), (112, 189626), (118, 179984), (224, 94813), (236, 89992), (413, 51424), (472, 44996), (826, 25712), (944, 22498), (1607, 13216), (1652, 12856), (1888, 11249), (3214, 6608), (3304, 6428)]