21000902584

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{3209}}^1\times {\mathrm{3877}}^1$

素因数の和:7303

約数の個数: 32

約数和(自身を含む): 39585848400

約数和(自身を除く): 18584945816

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 3209, 3877, 6418, 7754, 12836, 15508, 25672, 31016, 677099, 818047, 1354198, 1636094, 2708396, 3272188, 5416792, 6544376, 12441293, 24882586, 49765172, 99530344, 2625112823, 5250225646, 10500451292, 21000902584]

約数ペア:

[(1, 21000902584), (2, 10500451292), (4, 5250225646), (8, 2625112823), (211, 99530344), (422, 49765172), (844, 24882586), (1688, 12441293), (3209, 6544376), (3877, 5416792), (6418, 3272188), (7754, 2708396), (12836, 1636094), (15508, 1354198), (25672, 818047), (31016, 677099)]