21094680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7643}}^1$

素因数の和:7680

約数の個数: 64

約数和(自身を含む): 66044160

約数和(自身を除く): 44949480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7643, 15286, 22929, 30572, 38215, 45858, 61144, 76430, 91716, 114645, 152860, 175789, 183432, 229290, 305720, 351578, 458580, 527367, 703156, 878945, 917160, 1054734, 1406312, 1757890, 2109468, 2636835, 3515780, 4218936, 5273670, 7031560, 10547340, 21094680]

約数ペア:

[(1, 21094680), (2, 10547340), (3, 7031560), (4, 5273670), (5, 4218936), (6, 3515780), (8, 2636835), (10, 2109468), (12, 1757890), (15, 1406312), (20, 1054734), (23, 917160), (24, 878945), (30, 703156), (40, 527367), (46, 458580), (60, 351578), (69, 305720), (92, 229290), (115, 183432), (120, 175789), (138, 152860), (184, 114645), (230, 91716), (276, 76430), (345, 61144), (460, 45858), (552, 38215), (690, 30572), (920, 22929), (1380, 15286), (2760, 7643)]