21957130657

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{112577}}^1$

素因数の和:112761

約数の個数: 32

約数和(自身を含む): 29180217600

約数和(自身を除く): 7223086943

約数列:

[1, 7, 11, 17, 77, 119, 149, 187, 1043, 1309, 1639, 2533, 11473, 17731, 27863, 112577, 195041, 788039, 1238347, 1913809, 8668429, 13396663, 16773973, 21051899, 117417811, 147363293, 184513703, 285157541, 1291595921, 1996102787, 3136732951, 21957130657]

約数ペア:

[(1, 21957130657), (7, 3136732951), (11, 1996102787), (17, 1291595921), (77, 285157541), (119, 184513703), (149, 147363293), (187, 117417811), (1043, 21051899), (1309, 16773973), (1639, 13396663), (2533, 8668429), (11473, 1913809), (17731, 1238347), (27863, 788039), (112577, 195041)]