21908588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 43347360

約数和(自身を除く): 21438772

約数列:

[1, 2, 4, 13, 26, 37, 52, 59, 74, 118, 148, 193, 236, 386, 481, 767, 772, 962, 1534, 1924, 2183, 2509, 3068, 4366, 5018, 7141, 8732, 10036, 11387, 14282, 22774, 28379, 28564, 45548, 56758, 92833, 113516, 148031, 185666, 296062, 371332, 421319, 592124, 842638, 1685276, 5477147, 10954294, 21908588]

約数ペア:

[(1, 21908588), (2, 10954294), (4, 5477147), (13, 1685276), (26, 842638), (37, 592124), (52, 421319), (59, 371332), (74, 296062), (118, 185666), (148, 148031), (193, 113516), (236, 92833), (386, 56758), (481, 45548), (767, 28564), (772, 28379), (962, 22774), (1534, 14282), (1924, 11387), (2183, 10036), (2509, 8732), (3068, 7141), (4366, 5018)]