21916706

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 40372992

約数和(自身を除く): 18456286

約数列:

[1, 2, 7, 14, 17, 34, 71, 119, 142, 238, 497, 994, 1207, 1297, 2414, 2594, 8449, 9079, 16898, 18158, 22049, 44098, 92087, 154343, 184174, 308686, 644609, 1289218, 1565479, 3130958, 10958353, 21916706]

約数ペア:

[(1, 21916706), (2, 10958353), (7, 3130958), (14, 1565479), (17, 1289218), (34, 644609), (71, 308686), (119, 184174), (142, 154343), (238, 92087), (497, 44098), (994, 22049), (1207, 18158), (1297, 16898), (2414, 9079), (2594, 8449)]