21407484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8221}}^1$

素因数の和:8266

約数の個数: 48

約数和(自身を含む): 58935296

約数和(自身を除く): 37527812

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 8221, 16442, 24663, 32884, 49326, 57547, 98652, 115094, 172641, 230188, 254851, 345282, 509702, 690564, 764553, 1019404, 1529106, 1783957, 3058212, 3567914, 5351871, 7135828, 10703742, 21407484]

約数ペア:

[(1, 21407484), (2, 10703742), (3, 7135828), (4, 5351871), (6, 3567914), (7, 3058212), (12, 1783957), (14, 1529106), (21, 1019404), (28, 764553), (31, 690564), (42, 509702), (62, 345282), (84, 254851), (93, 230188), (124, 172641), (186, 115094), (217, 98652), (372, 57547), (434, 49326), (651, 32884), (868, 24663), (1302, 16442), (2604, 8221)]