21816970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1373}}^1$

素因数の和:1614

約数の個数: 32

約数和(自身を含む): 45111168

約数和(自身を除く): 23294198

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 227, 454, 1135, 1373, 1589, 2270, 2746, 3178, 6865, 7945, 9611, 13730, 15890, 19222, 48055, 96110, 311671, 623342, 1558355, 2181697, 3116710, 4363394, 10908485, 21816970]

約数ペア:

[(1, 21816970), (2, 10908485), (5, 4363394), (7, 3116710), (10, 2181697), (14, 1558355), (35, 623342), (70, 311671), (227, 96110), (454, 48055), (1135, 19222), (1373, 15890), (1589, 13730), (2270, 9611), (2746, 7945), (3178, 6865)]