21356097

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{367}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 34762752

約数和(自身を除く): 13406655

約数列:

[1, 3, 7, 17, 21, 51, 119, 163, 357, 367, 489, 1101, 1141, 2569, 2771, 3423, 6239, 7707, 8313, 18717, 19397, 43673, 58191, 59821, 131019, 179463, 418747, 1016957, 1256241, 3050871, 7118699, 21356097]

約数ペア:

[(1, 21356097), (3, 7118699), (7, 3050871), (17, 1256241), (21, 1016957), (51, 418747), (119, 179463), (163, 131019), (357, 59821), (367, 58191), (489, 43673), (1101, 19397), (1141, 18717), (2569, 8313), (2771, 7707), (3423, 6239)]