21977595

素因数分解:

$3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{619}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 39283200

約数和(自身を除く): 17305605

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 263, 619, 789, 1315, 1857, 2367, 3095, 3945, 5571, 7101, 9285, 11835, 16713, 27855, 35505, 83565, 162797, 488391, 813985, 1465173, 2441955, 4395519, 7325865, 21977595]

約数ペア:

[(1, 21977595), (3, 7325865), (5, 4395519), (9, 2441955), (15, 1465173), (27, 813985), (45, 488391), (135, 162797), (263, 83565), (619, 35505), (789, 27855), (1315, 16713), (1857, 11835), (2367, 9285), (3095, 7101), (3945, 5571)]