21253284

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{45413}}^1$

素因数の和:45436

約数の個数: 36

約数和(自身を含む): 57857436

約数和(自身を除く): 36604152

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 45413, 90826, 136239, 181652, 272478, 408717, 544956, 590369, 817434, 1180738, 1634868, 1771107, 2361476, 3542214, 5313321, 7084428, 10626642, 21253284]

約数ペア:

[(1, 21253284), (2, 10626642), (3, 7084428), (4, 5313321), (6, 3542214), (9, 2361476), (12, 1771107), (13, 1634868), (18, 1180738), (26, 817434), (36, 590369), (39, 544956), (52, 408717), (78, 272478), (117, 181652), (156, 136239), (234, 90826), (468, 45413)]