21846780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1759}}^1$

素因数の和:1800

約数の個数: 96

約数和(自身を含む): 70963200

約数和(自身を除く): 49116420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 345, 414, 460, 540, 621, 690, 828, 1035, 1242, 1380, 1759, 2070, 2484, 3105, 3518, 4140, 5277, 6210, 7036, 8795, 10554, 12420, 15831, 17590, 21108, 26385, 31662, 35180, 40457, 47493, 52770, 63324, 79155, 80914, 94986, 105540, 121371, 158310, 161828, 189972, 202285, 237465, 242742, 316620, 364113, 404570, 474930, 485484, 606855, 728226, 809140, 949860, 1092339, 1213710, 1456452, 1820565, 2184678, 2427420, 3641130, 4369356, 5461695, 7282260, 10923390, 21846780]

約数ペア:

[(1, 21846780), (2, 10923390), (3, 7282260), (4, 5461695), (5, 4369356), (6, 3641130), (9, 2427420), (10, 2184678), (12, 1820565), (15, 1456452), (18, 1213710), (20, 1092339), (23, 949860), (27, 809140), (30, 728226), (36, 606855), (45, 485484), (46, 474930), (54, 404570), (60, 364113), (69, 316620), (90, 242742), (92, 237465), (108, 202285), (115, 189972), (135, 161828), (138, 158310), (180, 121371), (207, 105540), (230, 94986), (270, 80914), (276, 79155), (345, 63324), (414, 52770), (460, 47493), (540, 40457), (621, 35180), (690, 31662), (828, 26385), (1035, 21108), (1242, 17590), (1380, 15831), (1759, 12420), (2070, 10554), (2484, 8795), (3105, 7036), (3518, 6210), (4140, 5277)]