21964384

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1427}}^1$

素因数の和:1487

約数の個数: 48

約数和(自身を含む): 47860848

約数和(自身を除く): 25896464

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 104, 148, 208, 296, 416, 481, 592, 962, 1184, 1427, 1924, 2854, 3848, 5708, 7696, 11416, 15392, 18551, 22832, 37102, 45664, 52799, 74204, 105598, 148408, 211196, 296816, 422392, 593632, 686387, 844784, 1372774, 1689568, 2745548, 5491096, 10982192, 21964384]

約数ペア:

[(1, 21964384), (2, 10982192), (4, 5491096), (8, 2745548), (13, 1689568), (16, 1372774), (26, 844784), (32, 686387), (37, 593632), (52, 422392), (74, 296816), (104, 211196), (148, 148408), (208, 105598), (296, 74204), (416, 52799), (481, 45664), (592, 37102), (962, 22832), (1184, 18551), (1427, 15392), (1924, 11416), (2854, 7696), (3848, 5708)]