21982935

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1427}}^1$

素因数の和:1527

約数の個数: 32

約数和(自身を含む): 38384640

約数和(自身を除く): 16401705

約数列:

[1, 3, 5, 13, 15, 39, 65, 79, 195, 237, 395, 1027, 1185, 1427, 3081, 4281, 5135, 7135, 15405, 18551, 21405, 55653, 92755, 112733, 278265, 338199, 563665, 1465529, 1690995, 4396587, 7327645, 21982935]

約数ペア:

[(1, 21982935), (3, 7327645), (5, 4396587), (13, 1690995), (15, 1465529), (39, 563665), (65, 338199), (79, 278265), (195, 112733), (237, 92755), (395, 55653), (1027, 21405), (1185, 18551), (1427, 15405), (3081, 7135), (4281, 5135)]