21568630

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 18348170

約数列:

[1, 2, 5, 10, 59, 118, 139, 263, 278, 295, 526, 590, 695, 1315, 1390, 2630, 8201, 15517, 16402, 31034, 36557, 41005, 73114, 77585, 82010, 155170, 182785, 365570, 2156863, 4313726, 10784315, 21568630]

約数ペア:

[(1, 21568630), (2, 10784315), (5, 4313726), (10, 2156863), (59, 365570), (118, 182785), (139, 155170), (263, 82010), (278, 77585), (295, 73114), (526, 41005), (590, 36557), (695, 31034), (1315, 16402), (1390, 15517), (2630, 8201)]