21484383

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 31664640

約数和(自身を除く): 10180257

約数列:

[1, 3, 19, 37, 57, 61, 111, 167, 183, 501, 703, 1159, 2109, 2257, 3173, 3477, 6179, 6771, 9519, 10187, 18537, 30561, 42883, 117401, 128649, 193553, 352203, 376919, 580659, 1130757, 7161461, 21484383]

約数ペア:

[(1, 21484383), (3, 7161461), (19, 1130757), (37, 580659), (57, 376919), (61, 352203), (111, 193553), (167, 128649), (183, 117401), (501, 42883), (703, 30561), (1159, 18537), (2109, 10187), (2257, 9519), (3173, 6771), (3477, 6179)]