21839970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1307}}^1$

素因数の和:1874

約数の個数: 32

約数和(自身を含む): 52550208

約数和(自身を除く): 30710238

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 557, 1114, 1307, 1671, 2614, 2785, 3342, 3921, 5570, 6535, 7842, 8355, 13070, 16710, 19605, 39210, 727999, 1455998, 2183997, 3639995, 4367994, 7279990, 10919985, 21839970]

約数ペア:

[(1, 21839970), (2, 10919985), (3, 7279990), (5, 4367994), (6, 3639995), (10, 2183997), (15, 1455998), (30, 727999), (557, 39210), (1114, 19605), (1307, 16710), (1671, 13070), (2614, 8355), (2785, 7842), (3342, 6535), (3921, 5570)]