21426156989

素因数分解:

${\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{881}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 23208933888

約数和(自身を除く): 1782776899

約数列:

[1, 23, 53, 71, 281, 881, 1219, 1633, 3763, 6463, 14893, 19951, 20263, 46693, 62551, 86549, 247561, 342539, 458873, 1057403, 1073939, 1438673, 3315203, 5693903, 13120733, 17576831, 24320269, 76249669, 301776859, 404267113, 931572043, 21426156989]

約数ペア:

[(1, 21426156989), (23, 931572043), (53, 404267113), (71, 301776859), (281, 76249669), (881, 24320269), (1219, 17576831), (1633, 13120733), (3763, 5693903), (6463, 3315203), (14893, 1438673), (19951, 1073939), (20263, 1057403), (46693, 458873), (62551, 342539), (86549, 247561)]