21143324735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1187}}^1\times {\mathrm{14423}}^1$

素因数の和:15647

約数の個数: 32

約数和(自身を含む): 28787996160

約数和(自身を除く): 7644671425

約数列:

[1, 5, 13, 19, 65, 95, 247, 1187, 1235, 5935, 14423, 15431, 22553, 72115, 77155, 112765, 187499, 274037, 293189, 937495, 1370185, 1465945, 3562481, 17120101, 17812405, 85600505, 222561313, 325281919, 1112806565, 1626409595, 4228664947, 21143324735]

約数ペア:

[(1, 21143324735), (5, 4228664947), (13, 1626409595), (19, 1112806565), (65, 325281919), (95, 222561313), (247, 85600505), (1187, 17812405), (1235, 17120101), (5935, 3562481), (14423, 1465945), (15431, 1370185), (22553, 937495), (72115, 293189), (77155, 274037), (112765, 187499)]