21384014785

素因数分解:

$5^1\times 7^2\times {\mathrm{3623}}^1\times {\mathrm{24091}}^1$

素因数の和:27733

約数の個数: 24

約数和(自身を含む): 29859817536

約数和(自身を除く): 8475802751

約数列:

[1, 5, 7, 35, 49, 245, 3623, 18115, 24091, 25361, 120455, 126805, 168637, 177527, 843185, 887635, 1180459, 5902295, 87281693, 436408465, 610971851, 3054859255, 4276802957, 21384014785]

約数ペア:

[(1, 21384014785), (5, 4276802957), (7, 3054859255), (35, 610971851), (49, 436408465), (245, 87281693), (3623, 5902295), (18115, 1180459), (24091, 887635), (25361, 843185), (120455, 177527), (126805, 168637)]