21143844

素因数分解:

$2^2\times 3^2\times {\mathrm{523}}^1\times {\mathrm{1123}}^1$

素因数の和:1656

約数の個数: 36

約数和(自身を含む): 53596816

約数和(自身を除く): 32452972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 523, 1046, 1123, 1569, 2092, 2246, 3138, 3369, 4492, 4707, 6276, 6738, 9414, 10107, 13476, 18828, 20214, 40428, 587329, 1174658, 1761987, 2349316, 3523974, 5285961, 7047948, 10571922, 21143844]

約数ペア:

[(1, 21143844), (2, 10571922), (3, 7047948), (4, 5285961), (6, 3523974), (9, 2349316), (12, 1761987), (18, 1174658), (36, 587329), (523, 40428), (1046, 20214), (1123, 18828), (1569, 13476), (2092, 10107), (2246, 9414), (3138, 6738), (3369, 6276), (4492, 4707)]