21860604

素因数分解:

$2^2\times 3^4\times {\mathrm{109}}^1\times {\mathrm{619}}^1$

素因数の和:744

約数の個数: 60

約数和(自身を含む): 57765400

約数和(自身を除く): 35904796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 109, 162, 218, 324, 327, 436, 619, 654, 981, 1238, 1308, 1857, 1962, 2476, 2943, 3714, 3924, 5571, 5886, 7428, 8829, 11142, 11772, 16713, 17658, 22284, 33426, 35316, 50139, 66852, 67471, 100278, 134942, 200556, 202413, 269884, 404826, 607239, 809652, 1214478, 1821717, 2428956, 3643434, 5465151, 7286868, 10930302, 21860604]

約数ペア:

[(1, 21860604), (2, 10930302), (3, 7286868), (4, 5465151), (6, 3643434), (9, 2428956), (12, 1821717), (18, 1214478), (27, 809652), (36, 607239), (54, 404826), (81, 269884), (108, 202413), (109, 200556), (162, 134942), (218, 100278), (324, 67471), (327, 66852), (436, 50139), (619, 35316), (654, 33426), (981, 22284), (1238, 17658), (1308, 16713), (1857, 11772), (1962, 11142), (2476, 8829), (2943, 7428), (3714, 5886), (3924, 5571)]