21932127

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1$

素因数の和:889

約数の個数: 40

約数和(自身を含む): 38286336

約数和(自身を除く): 16354209

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 823, 987, 1269, 2469, 2961, 3807, 5761, 7407, 8883, 17283, 22221, 26649, 38681, 51849, 66663, 116043, 155547, 270767, 348129, 466641, 812301, 1044387, 2436903, 3133161, 7310709, 21932127]

約数ペア:

[(1, 21932127), (3, 7310709), (7, 3133161), (9, 2436903), (21, 1044387), (27, 812301), (47, 466641), (63, 348129), (81, 270767), (141, 155547), (189, 116043), (329, 66663), (423, 51849), (567, 38681), (823, 26649), (987, 22221), (1269, 17283), (2469, 8883), (2961, 7407), (3807, 5761)]