21053880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{251}}^1$

素因数の和:501

約数の個数: 96

約数和(自身を含む): 68992560

約数和(自身を除く): 47938680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 233, 251, 360, 466, 502, 699, 753, 932, 1004, 1165, 1255, 1398, 1506, 1864, 2008, 2097, 2259, 2330, 2510, 2796, 3012, 3495, 3765, 4194, 4518, 4660, 5020, 5592, 6024, 6990, 7530, 8388, 9036, 9320, 10040, 10485, 11295, 13980, 15060, 16776, 18072, 20970, 22590, 27960, 30120, 41940, 45180, 58483, 83880, 90360, 116966, 175449, 233932, 292415, 350898, 467864, 526347, 584830, 701796, 877245, 1052694, 1169660, 1403592, 1754490, 2105388, 2339320, 2631735, 3508980, 4210776, 5263470, 7017960, 10526940, 21053880]

約数ペア:

[(1, 21053880), (2, 10526940), (3, 7017960), (4, 5263470), (5, 4210776), (6, 3508980), (8, 2631735), (9, 2339320), (10, 2105388), (12, 1754490), (15, 1403592), (18, 1169660), (20, 1052694), (24, 877245), (30, 701796), (36, 584830), (40, 526347), (45, 467864), (60, 350898), (72, 292415), (90, 233932), (120, 175449), (180, 116966), (233, 90360), (251, 83880), (360, 58483), (466, 45180), (502, 41940), (699, 30120), (753, 27960), (932, 22590), (1004, 20970), (1165, 18072), (1255, 16776), (1398, 15060), (1506, 13980), (1864, 11295), (2008, 10485), (2097, 10040), (2259, 9320), (2330, 9036), (2510, 8388), (2796, 7530), (3012, 6990), (3495, 6024), (3765, 5592), (4194, 5020), (4518, 4660)]