21667080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1753}}^1$

素因数の和:1870

約数の個数: 64

約数和(自身を含む): 65669760

約数和(自身を除く): 44002680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1753, 2060, 2472, 3090, 3506, 4120, 5259, 6180, 7012, 8765, 10518, 12360, 14024, 17530, 21036, 26295, 35060, 42072, 52590, 70120, 105180, 180559, 210360, 361118, 541677, 722236, 902795, 1083354, 1444472, 1805590, 2166708, 2708385, 3611180, 4333416, 5416770, 7222360, 10833540, 21667080]

約数ペア:

[(1, 21667080), (2, 10833540), (3, 7222360), (4, 5416770), (5, 4333416), (6, 3611180), (8, 2708385), (10, 2166708), (12, 1805590), (15, 1444472), (20, 1083354), (24, 902795), (30, 722236), (40, 541677), (60, 361118), (103, 210360), (120, 180559), (206, 105180), (309, 70120), (412, 52590), (515, 42072), (618, 35060), (824, 26295), (1030, 21036), (1236, 17530), (1545, 14024), (1753, 12360), (2060, 10518), (2472, 8765), (3090, 7012), (3506, 6180), (4120, 5259)]