21416766

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1217}}^1$

素因数の和:1648

約数の個数: 32

約数和(自身を含む): 49109760

約数和(自身を除く): 27692994

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 419, 838, 1217, 1257, 2434, 2514, 2933, 3651, 5866, 7302, 8519, 8799, 17038, 17598, 25557, 51114, 509923, 1019846, 1529769, 3059538, 3569461, 7138922, 10708383, 21416766]

約数ペア:

[(1, 21416766), (2, 10708383), (3, 7138922), (6, 3569461), (7, 3059538), (14, 1529769), (21, 1019846), (42, 509923), (419, 51114), (838, 25557), (1217, 17598), (1257, 17038), (2434, 8799), (2514, 8519), (2933, 7302), (3651, 5866)]