21906542

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:800

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 17491858

約数列:

[1, 2, 7, 14, 29, 58, 79, 158, 203, 406, 553, 683, 1106, 1366, 2291, 4582, 4781, 9562, 16037, 19807, 32074, 39614, 53957, 107914, 138649, 277298, 377699, 755398, 1564753, 3129506, 10953271, 21906542]

約数ペア:

[(1, 21906542), (2, 10953271), (7, 3129506), (14, 1564753), (29, 755398), (58, 377699), (79, 277298), (158, 138649), (203, 107914), (406, 53957), (553, 39614), (683, 32074), (1106, 19807), (1366, 16037), (2291, 9562), (4582, 4781)]