21381024

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31817}}^1$

素因数の和:31837

約数の個数: 48

約数和(自身を含む): 64145088

約数和(自身を除く): 42764064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31817, 63634, 95451, 127268, 190902, 222719, 254536, 381804, 445438, 509072, 668157, 763608, 890876, 1018144, 1336314, 1527216, 1781752, 2672628, 3054432, 3563504, 5345256, 7127008, 10690512, 21381024]

約数ペア:

[(1, 21381024), (2, 10690512), (3, 7127008), (4, 5345256), (6, 3563504), (7, 3054432), (8, 2672628), (12, 1781752), (14, 1527216), (16, 1336314), (21, 1018144), (24, 890876), (28, 763608), (32, 668157), (42, 509072), (48, 445438), (56, 381804), (84, 254536), (96, 222719), (112, 190902), (168, 127268), (224, 95451), (336, 63634), (672, 31817)]