21512436

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{162973}}^1$

素因数の和:162991

約数の個数: 24

約数和(自身を含む): 54759264

約数和(自身を除く): 33246828

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 162973, 325946, 488919, 651892, 977838, 1792703, 1955676, 3585406, 5378109, 7170812, 10756218, 21512436]

約数ペア:

[(1, 21512436), (2, 10756218), (3, 7170812), (4, 5378109), (6, 3585406), (11, 1955676), (12, 1792703), (22, 977838), (33, 651892), (44, 488919), (66, 325946), (132, 162973)]