21376404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{84827}}^1$

素因数の和:84844

約数の個数: 36

約数和(自身を含む): 61754784

約数和(自身を除く): 40378380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 84827, 169654, 254481, 339308, 508962, 593789, 763443, 1017924, 1187578, 1526886, 1781367, 2375156, 3053772, 3562734, 5344101, 7125468, 10688202, 21376404]

約数ペア:

[(1, 21376404), (2, 10688202), (3, 7125468), (4, 5344101), (6, 3562734), (7, 3053772), (9, 2375156), (12, 1781367), (14, 1526886), (18, 1187578), (21, 1017924), (28, 763443), (36, 593789), (42, 508962), (63, 339308), (84, 254481), (126, 169654), (252, 84827)]