21202454

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1201}}^1$

素因数の和:1320

約数の個数: 32

約数和(自身を含む): 39579456

約数和(自身を除く): 18377002

約数列:

[1, 2, 7, 13, 14, 26, 91, 97, 182, 194, 679, 1201, 1261, 1358, 2402, 2522, 8407, 8827, 15613, 16814, 17654, 31226, 109291, 116497, 218582, 232994, 815479, 1514461, 1630958, 3028922, 10601227, 21202454]

約数ペア:

[(1, 21202454), (2, 10601227), (7, 3028922), (13, 1630958), (14, 1514461), (26, 815479), (91, 232994), (97, 218582), (182, 116497), (194, 109291), (679, 31226), (1201, 17654), (1261, 16814), (1358, 15613), (2402, 8827), (2522, 8407)]