21909516

素因数分解:

$2^2\times 3^1\times {\mathrm{523}}^1\times {\mathrm{3491}}^1$

素因数の和:4021

約数の個数: 24

約数和(自身を含む): 51234624

約数和(自身を除く): 29325108

約数列:

[1, 2, 3, 4, 6, 12, 523, 1046, 1569, 2092, 3138, 3491, 6276, 6982, 10473, 13964, 20946, 41892, 1825793, 3651586, 5477379, 7303172, 10954758, 21909516]

約数ペア:

[(1, 21909516), (2, 10954758), (3, 7303172), (4, 5477379), (6, 3651586), (12, 1825793), (523, 41892), (1046, 20946), (1569, 13964), (2092, 10473), (3138, 6982), (3491, 6276)]