21319668

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{8839}}^1$

素因数の和:8916

約数の個数: 36

約数和(自身を含む): 54701920

約数和(自身を除く): 33382252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 603, 804, 1206, 2412, 8839, 17678, 26517, 35356, 53034, 79551, 106068, 159102, 318204, 592213, 1184426, 1776639, 2368852, 3553278, 5329917, 7106556, 10659834, 21319668]

約数ペア:

[(1, 21319668), (2, 10659834), (3, 7106556), (4, 5329917), (6, 3553278), (9, 2368852), (12, 1776639), (18, 1184426), (36, 592213), (67, 318204), (134, 159102), (201, 106068), (268, 79551), (402, 53034), (603, 35356), (804, 26517), (1206, 17678), (2412, 8839)]