21167368831

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{182813}}^1$

素因数の和:182983

約数の個数: 24

約数和(自身を含む): 26259402960

約数和(自身を除く): 5092034129

約数列:

[1, 7, 17, 49, 119, 139, 833, 973, 2363, 6811, 16541, 115787, 182813, 1279691, 3107821, 8957837, 21754747, 25411007, 152283229, 177877049, 431987119, 1245139343, 3023909833, 21167368831]

約数ペア:

[(1, 21167368831), (7, 3023909833), (17, 1245139343), (49, 431987119), (119, 177877049), (139, 152283229), (833, 25411007), (973, 21754747), (2363, 8957837), (6811, 3107821), (16541, 1279691), (115787, 182813)]