21645438

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1439}}^1$

素因数の和:1576

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 23973762

約数列:

[1, 2, 3, 6, 23, 46, 69, 109, 138, 218, 327, 654, 1439, 2507, 2878, 4317, 5014, 7521, 8634, 15042, 33097, 66194, 99291, 156851, 198582, 313702, 470553, 941106, 3607573, 7215146, 10822719, 21645438]

約数ペア:

[(1, 21645438), (2, 10822719), (3, 7215146), (6, 3607573), (23, 941106), (46, 470553), (69, 313702), (109, 198582), (138, 156851), (218, 99291), (327, 66194), (654, 33097), (1439, 15042), (2507, 8634), (2878, 7521), (4317, 5014)]