21172572484

素因数分解:

$2^2\times 7^2\times {\mathrm{21277}}^1\times {\mathrm{5077}}^1$

素因数の和:26372

約数の個数: 36

約数和(自身を含む): 43111823916

約数和(自身を除く): 21939251432

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 5077, 10154, 20308, 21277, 35539, 42554, 71078, 85108, 142156, 148939, 248773, 297878, 497546, 595756, 995092, 1042573, 2085146, 4170292, 108023329, 216046658, 432093316, 756163303, 1512326606, 3024653212, 5293143121, 10586286242, 21172572484]

約数ペア:

[(1, 21172572484), (2, 10586286242), (4, 5293143121), (7, 3024653212), (14, 1512326606), (28, 756163303), (49, 432093316), (98, 216046658), (196, 108023329), (5077, 4170292), (10154, 2085146), (20308, 1042573), (21277, 995092), (35539, 595756), (42554, 497546), (71078, 297878), (85108, 248773), (142156, 148939)]