21465708

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1187}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 55085184

約数和(自身を除く): 33619476

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 137, 274, 411, 548, 822, 1187, 1507, 1644, 2374, 3014, 3561, 4521, 4748, 6028, 7122, 9042, 13057, 14244, 18084, 26114, 39171, 52228, 78342, 156684, 162619, 325238, 487857, 650476, 975714, 1788809, 1951428, 3577618, 5366427, 7155236, 10732854, 21465708]

約数ペア:

[(1, 21465708), (2, 10732854), (3, 7155236), (4, 5366427), (6, 3577618), (11, 1951428), (12, 1788809), (22, 975714), (33, 650476), (44, 487857), (66, 325238), (132, 162619), (137, 156684), (274, 78342), (411, 52228), (548, 39171), (822, 26114), (1187, 18084), (1507, 14244), (1644, 13057), (2374, 9042), (3014, 7122), (3561, 6028), (4521, 4748)]