21604023

素因数分解:

$3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{757}}^1$

素因数の和:924

約数の個数: 32

約数和(自身を含む): 36869120

約数和(自身を除く): 15265097

約数列:

[1, 3, 7, 9, 21, 27, 63, 151, 189, 453, 757, 1057, 1359, 2271, 3171, 4077, 5299, 6813, 9513, 15897, 20439, 28539, 47691, 114307, 143073, 342921, 800149, 1028763, 2400447, 3086289, 7201341, 21604023]

約数ペア:

[(1, 21604023), (3, 7201341), (7, 3086289), (9, 2400447), (21, 1028763), (27, 800149), (63, 342921), (151, 143073), (189, 114307), (453, 47691), (757, 28539), (1057, 20439), (1359, 15897), (2271, 9513), (3171, 6813), (4077, 5299)]