21323286

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{17681}}^1$

素因数の和:17756

約数の個数: 24

約数和(自身を含む): 46892664

約数和(自身を除く): 25569378

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 17681, 35362, 53043, 106086, 159129, 318258, 1184627, 2369254, 3553881, 7107762, 10661643, 21323286]

約数ペア:

[(1, 21323286), (2, 10661643), (3, 7107762), (6, 3553881), (9, 2369254), (18, 1184627), (67, 318258), (134, 159129), (201, 106086), (402, 53043), (603, 35362), (1206, 17681)]