21614385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{557}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 15883215

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 199, 557, 597, 995, 1671, 2587, 2785, 2985, 7241, 7761, 8355, 12935, 21723, 36205, 38805, 108615, 110843, 332529, 554215, 1440959, 1662645, 4322877, 7204795, 21614385]

約数ペア:

[(1, 21614385), (3, 7204795), (5, 4322877), (13, 1662645), (15, 1440959), (39, 554215), (65, 332529), (195, 110843), (199, 108615), (557, 38805), (597, 36205), (995, 21723), (1671, 12935), (2587, 8355), (2785, 7761), (2985, 7241)]