21043906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1039}}^1$

素因数の和:1114

約数の個数: 32

約数和(自身を含む): 36691200

約数和(自身を除く): 15647294

約数列:

[1, 2, 13, 19, 26, 38, 41, 82, 247, 494, 533, 779, 1039, 1066, 1558, 2078, 10127, 13507, 19741, 20254, 27014, 39482, 42599, 85198, 256633, 513266, 553787, 809381, 1107574, 1618762, 10521953, 21043906]

約数ペア:

[(1, 21043906), (2, 10521953), (13, 1618762), (19, 1107574), (26, 809381), (38, 553787), (41, 513266), (82, 256633), (247, 85198), (494, 42599), (533, 39482), (779, 27014), (1039, 20254), (1066, 19741), (1558, 13507), (2078, 10127)]