21386118

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{563}}^1$

素因数の和:1068

約数の個数: 32

約数和(自身を含む): 46238976

約数和(自身を除く): 24852858

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 487, 563, 974, 1126, 1461, 1689, 2922, 3378, 6331, 7319, 12662, 14638, 18993, 21957, 37986, 43914, 274181, 548362, 822543, 1645086, 3564353, 7128706, 10693059, 21386118]

約数ペア:

[(1, 21386118), (2, 10693059), (3, 7128706), (6, 3564353), (13, 1645086), (26, 822543), (39, 548362), (78, 274181), (487, 43914), (563, 37986), (974, 21957), (1126, 18993), (1461, 14638), (1689, 12662), (2922, 7319), (3378, 6331)]