4260921

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 6988800

約数和(自身を除く): 2727879

約数列:

[1, 3, 7, 19, 21, 57, 59, 133, 177, 181, 399, 413, 543, 1121, 1239, 1267, 3363, 3439, 3801, 7847, 10317, 10679, 23541, 24073, 32037, 72219, 74753, 202901, 224259, 608703, 1420307, 4260921]

約数ペア:

[(1, 4260921), (3, 1420307), (7, 608703), (19, 224259), (21, 202901), (57, 74753), (59, 72219), (133, 32037), (177, 24073), (181, 23541), (399, 10679), (413, 10317), (543, 7847), (1121, 3801), (1239, 3439), (1267, 3363)]