21132826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3889}}^1$

素因数の和:3934

約数の個数: 32

約数和(自身を含む): 39211200

約数和(自身を除く): 18078374

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 3889, 5434, 7778, 42779, 50557, 73891, 85558, 101114, 147782, 556127, 812801, 960583, 1112254, 1625602, 1921166, 10566413, 21132826]

約数ペア:

[(1, 21132826), (2, 10566413), (11, 1921166), (13, 1625602), (19, 1112254), (22, 960583), (26, 812801), (38, 556127), (143, 147782), (209, 101114), (247, 85558), (286, 73891), (418, 50557), (494, 42779), (2717, 7778), (3889, 5434)]