21317835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18457}}^1$

素因数の和:18483

約数の個数: 32

約数和(自身を含む): 42527232

約数和(自身を除く): 21209397

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 18457, 55371, 92285, 129199, 203027, 276855, 387597, 609081, 645995, 1015135, 1421189, 1937985, 3045405, 4263567, 7105945, 21317835]

約数ペア:

[(1, 21317835), (3, 7105945), (5, 4263567), (7, 3045405), (11, 1937985), (15, 1421189), (21, 1015135), (33, 645995), (35, 609081), (55, 387597), (77, 276855), (105, 203027), (165, 129199), (231, 92285), (385, 55371), (1155, 18457)]