21969612

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{87181}}^1$

素因数の和:87198

約数の個数: 36

約数和(自身を含む): 63468496

約数和(自身を除く): 41498884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 87181, 174362, 261543, 348724, 523086, 610267, 784629, 1046172, 1220534, 1569258, 1830801, 2441068, 3138516, 3661602, 5492403, 7323204, 10984806, 21969612]

約数ペア:

[(1, 21969612), (2, 10984806), (3, 7323204), (4, 5492403), (6, 3661602), (7, 3138516), (9, 2441068), (12, 1830801), (14, 1569258), (18, 1220534), (21, 1046172), (28, 784629), (36, 610267), (42, 523086), (63, 348724), (84, 261543), (126, 174362), (252, 87181)]