21729735

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3037}}^1$

素因数の和:3104

約数の個数: 32

約数和(自身を含む): 39372480

約数和(自身を除く): 17642745

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 3037, 7155, 9111, 15185, 27333, 45555, 81999, 136665, 160961, 409995, 482883, 804805, 1448649, 2414415, 4345947, 7243245, 21729735]

約数ペア:

[(1, 21729735), (3, 7243245), (5, 4345947), (9, 2414415), (15, 1448649), (27, 804805), (45, 482883), (53, 409995), (135, 160961), (159, 136665), (265, 81999), (477, 45555), (795, 27333), (1431, 15185), (2385, 9111), (3037, 7155)]