21316512

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31721}}^1$

素因数の和:31741

約数の個数: 48

約数和(自身を含む): 63951552

約数和(自身を除く): 42635040

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, 31721, 63442, 95163, 126884, 190326, 222047, 253768, 380652, 444094, 507536, 666141, 761304, 888188, 1015072, 1332282, 1522608, 1776376, 2664564, 3045216, 3552752, 5329128, 7105504, 10658256, 21316512]

約数ペア:

[(1, 21316512), (2, 10658256), (3, 7105504), (4, 5329128), (6, 3552752), (7, 3045216), (8, 2664564), (12, 1776376), (14, 1522608), (16, 1332282), (21, 1015072), (24, 888188), (28, 761304), (32, 666141), (42, 507536), (48, 444094), (56, 380652), (84, 253768), (96, 222047), (112, 190326), (168, 126884), (224, 95163), (336, 63442), (672, 31721)]