21592515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8941}}^1$

素因数の和:8979

約数の個数: 32

約数和(自身を含む): 41204736

約数和(自身を除く): 19612221

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8941, 26823, 44705, 62587, 134115, 187761, 205643, 312935, 616929, 938805, 1028215, 1439501, 3084645, 4318503, 7197505, 21592515]

約数ペア:

[(1, 21592515), (3, 7197505), (5, 4318503), (7, 3084645), (15, 1439501), (21, 1028215), (23, 938805), (35, 616929), (69, 312935), (105, 205643), (115, 187761), (161, 134115), (345, 62587), (483, 44705), (805, 26823), (2415, 8941)]