21000539963

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{38629}}^1$

素因数の和:38763

約数の個数: 32

約数和(自身を含む): 24920985600

約数和(自身を除く): 3920445637

約数列:

[1, 13, 19, 31, 71, 247, 403, 589, 923, 1349, 2201, 7657, 17537, 28613, 38629, 41819, 502177, 543647, 733951, 1197499, 2742659, 9541363, 15567487, 22752481, 35654567, 52110521, 85022429, 295782253, 677436773, 1105291577, 1615426151, 21000539963]

約数ペア:

[(1, 21000539963), (13, 1615426151), (19, 1105291577), (31, 677436773), (71, 295782253), (247, 85022429), (403, 52110521), (589, 35654567), (923, 22752481), (1349, 15567487), (2201, 9541363), (7657, 2742659), (17537, 1197499), (28613, 733951), (38629, 543647), (41819, 502177)]