21510594

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2161}}^1$

素因数の和:2255

約数の個数: 48

約数和(自身を含む): 53963520

約数和(自身を除く): 32452926

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 79, 126, 158, 237, 474, 553, 711, 1106, 1422, 1659, 2161, 3318, 4322, 4977, 6483, 9954, 12966, 15127, 19449, 30254, 38898, 45381, 90762, 136143, 170719, 272286, 341438, 512157, 1024314, 1195033, 1536471, 2390066, 3072942, 3585099, 7170198, 10755297, 21510594]

約数ペア:

[(1, 21510594), (2, 10755297), (3, 7170198), (6, 3585099), (7, 3072942), (9, 2390066), (14, 1536471), (18, 1195033), (21, 1024314), (42, 512157), (63, 341438), (79, 272286), (126, 170719), (158, 136143), (237, 90762), (474, 45381), (553, 38898), (711, 30254), (1106, 19449), (1422, 15127), (1659, 12966), (2161, 9954), (3318, 6483), (4322, 4977)]