21343266

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{727}}^1$

素因数の和:975

約数の個数: 48

約数和(自身を含む): 53149824

約数和(自身を除く): 31806558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 233, 466, 699, 727, 1398, 1454, 1631, 2097, 2181, 3262, 4194, 4362, 4893, 5089, 6543, 9786, 10178, 13086, 14679, 15267, 29358, 30534, 45801, 91602, 169391, 338782, 508173, 1016346, 1185737, 1524519, 2371474, 3049038, 3557211, 7114422, 10671633, 21343266]

約数ペア:

[(1, 21343266), (2, 10671633), (3, 7114422), (6, 3557211), (7, 3049038), (9, 2371474), (14, 1524519), (18, 1185737), (21, 1016346), (42, 508173), (63, 338782), (126, 169391), (233, 91602), (466, 45801), (699, 30534), (727, 29358), (1398, 15267), (1454, 14679), (1631, 13086), (2097, 10178), (2181, 9786), (3262, 6543), (4194, 5089), (4362, 4893)]