21489822

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 49048272

約数和(自身を除く): 27558450

約数列:

[1, 2, 3, 6, 9, 18, 37, 41, 74, 82, 111, 123, 222, 246, 333, 369, 666, 738, 787, 1517, 1574, 2361, 3034, 4551, 4722, 7083, 9102, 13653, 14166, 27306, 29119, 32267, 58238, 64534, 87357, 96801, 174714, 193602, 262071, 290403, 524142, 580806, 1193879, 2387758, 3581637, 7163274, 10744911, 21489822]

約数ペア:

[(1, 21489822), (2, 10744911), (3, 7163274), (6, 3581637), (9, 2387758), (18, 1193879), (37, 580806), (41, 524142), (74, 290403), (82, 262071), (111, 193602), (123, 174714), (222, 96801), (246, 87357), (333, 64534), (369, 58238), (666, 32267), (738, 29119), (787, 27306), (1517, 14166), (1574, 13653), (2361, 9102), (3034, 7083), (4551, 4722)]