21434406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6991}}^1$

素因数の和:7076

約数の個数: 32

約数和(自身を含む): 49671168

約数和(自身を除く): 28236762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 6991, 13982, 20973, 41946, 48937, 97874, 146811, 293622, 510343, 1020686, 1531029, 3062058, 3572401, 7144802, 10717203, 21434406]

約数ペア:

[(1, 21434406), (2, 10717203), (3, 7144802), (6, 3572401), (7, 3062058), (14, 1531029), (21, 1020686), (42, 510343), (73, 293622), (146, 146811), (219, 97874), (438, 48937), (511, 41946), (1022, 20973), (1533, 13982), (3066, 6991)]