21000503465

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1\times {\mathrm{104327}}^1$

素因数の和:104776

約数の個数: 16

約数和(自身を含む): 25479401472

約数和(自身を除く): 4478898007

約数列:

[1, 5, 127, 317, 635, 1585, 40259, 104327, 201295, 521635, 13249529, 33071659, 66247645, 165358295, 4200100693, 21000503465]

約数ペア:

[(1, 21000503465), (5, 4200100693), (127, 165358295), (317, 66247645), (635, 33071659), (1585, 13249529), (40259, 521635), (104327, 201295)]