21047859843

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{302921}}^1$

素因数の和:303019

約数の個数: 32

約数和(自身を含む): 31406952960

約数和(自身を除く): 10359093117

約数列:

[1, 3, 19, 23, 53, 57, 69, 159, 437, 1007, 1219, 1311, 3021, 3657, 23161, 69483, 302921, 908763, 5755499, 6967183, 16054813, 17266497, 20901549, 48164439, 132376477, 305041447, 369260699, 397129431, 915124341, 1107782097, 7015953281, 21047859843]

約数ペア:

[(1, 21047859843), (3, 7015953281), (19, 1107782097), (23, 915124341), (53, 397129431), (57, 369260699), (69, 305041447), (159, 132376477), (437, 48164439), (1007, 20901549), (1219, 17266497), (1311, 16054813), (3021, 6967183), (3657, 5755499), (23161, 908763), (69483, 302921)]