21159483

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 9886917

約数列:

[1, 3, 19, 43, 57, 89, 97, 129, 267, 291, 817, 1691, 1843, 2451, 3827, 4171, 5073, 5529, 8633, 11481, 12513, 25899, 72713, 79249, 164027, 218139, 237747, 371219, 492081, 1113657, 7053161, 21159483]

約数ペア:

[(1, 21159483), (3, 7053161), (19, 1113657), (43, 492081), (57, 371219), (89, 237747), (97, 218139), (129, 164027), (267, 79249), (291, 72713), (817, 25899), (1691, 12513), (1843, 11481), (2451, 8633), (3827, 5529), (4171, 5073)]