21323460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1283}}^1$

素因数の和:1572

約数の個数: 48

約数和(自身を含む): 59967936

約数和(自身を除く): 38644476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 554, 831, 1108, 1283, 1385, 1662, 2566, 2770, 3324, 3849, 4155, 5132, 5540, 6415, 7698, 8310, 12830, 15396, 16620, 19245, 25660, 38490, 76980, 355391, 710782, 1066173, 1421564, 1776955, 2132346, 3553910, 4264692, 5330865, 7107820, 10661730, 21323460]

約数ペア:

[(1, 21323460), (2, 10661730), (3, 7107820), (4, 5330865), (5, 4264692), (6, 3553910), (10, 2132346), (12, 1776955), (15, 1421564), (20, 1066173), (30, 710782), (60, 355391), (277, 76980), (554, 38490), (831, 25660), (1108, 19245), (1283, 16620), (1385, 15396), (1662, 12830), (2566, 8310), (2770, 7698), (3324, 6415), (3849, 5540), (4155, 5132)]