21316764

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{5179}}^1$

素因数の和:5207

約数の個数: 48

約数和(自身を含む): 58016000

約数和(自身を除く): 36699236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 5179, 10358, 15537, 20716, 31074, 36253, 62148, 72506, 108759, 145012, 217518, 253771, 435036, 507542, 761313, 1015084, 1522626, 1776397, 3045252, 3552794, 5329191, 7105588, 10658382, 21316764]

約数ペア:

[(1, 21316764), (2, 10658382), (3, 7105588), (4, 5329191), (6, 3552794), (7, 3045252), (12, 1776397), (14, 1522626), (21, 1015084), (28, 761313), (42, 507542), (49, 435036), (84, 253771), (98, 217518), (147, 145012), (196, 108759), (294, 72506), (343, 62148), (588, 36253), (686, 31074), (1029, 20716), (1372, 15537), (2058, 10358), (4116, 5179)]