21920038

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2971}}^1$

素因数の和:3028

約数の個数: 32

約数和(自身を含む): 41084928

約数和(自身を除く): 19164890

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 434, 527, 1054, 2971, 3689, 5942, 7378, 20797, 41594, 50507, 92101, 101014, 184202, 353549, 644707, 707098, 1289414, 1565717, 3131434, 10960019, 21920038]

約数ペア:

[(1, 21920038), (2, 10960019), (7, 3131434), (14, 1565717), (17, 1289414), (31, 707098), (34, 644707), (62, 353549), (119, 184202), (217, 101014), (238, 92101), (434, 50507), (527, 41594), (1054, 20797), (2971, 7378), (3689, 5942)]