21758355

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3041}}^1$

素因数の和:3108

約数の個数: 32

約数和(自身を含む): 39424320

約数和(自身を除く): 17665965

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 3041, 7155, 9123, 15205, 27369, 45615, 82107, 136845, 161173, 410535, 483519, 805865, 1450557, 2417595, 4351671, 7252785, 21758355]

約数ペア:

[(1, 21758355), (3, 7252785), (5, 4351671), (9, 2417595), (15, 1450557), (27, 805865), (45, 483519), (53, 410535), (135, 161173), (159, 136845), (265, 82107), (477, 45615), (795, 27369), (1431, 15205), (2385, 9123), (3041, 7155)]