21167404115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5653}}^1\times {\mathrm{5237}}^1$

素因数の和:10919

約数の個数: 32

約数和(自身を含む): 29852577216

約数和(自身を除く): 8685173101

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 5237, 5653, 26185, 28265, 57607, 62183, 68081, 73489, 288035, 310915, 340405, 367445, 748891, 808379, 3744455, 4041895, 29604761, 148023805, 325652371, 384861893, 1628261855, 1924309465, 4233480823, 21167404115]

約数ペア:

[(1, 21167404115), (5, 4233480823), (11, 1924309465), (13, 1628261855), (55, 384861893), (65, 325652371), (143, 148023805), (715, 29604761), (5237, 4041895), (5653, 3744455), (26185, 808379), (28265, 748891), (57607, 367445), (62183, 340405), (68081, 310915), (73489, 288035)]