21284856

素因数分解:

$2^3\times 3^5\times {\mathrm{10949}}^1$

素因数の和:10970

約数の個数: 48

約数和(自身を含む): 59787000

約数和(自身を除く): 38502144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 10949, 21898, 32847, 43796, 65694, 87592, 98541, 131388, 197082, 262776, 295623, 394164, 591246, 788328, 886869, 1182492, 1773738, 2364984, 2660607, 3547476, 5321214, 7094952, 10642428, 21284856]

約数ペア:

[(1, 21284856), (2, 10642428), (3, 7094952), (4, 5321214), (6, 3547476), (8, 2660607), (9, 2364984), (12, 1773738), (18, 1182492), (24, 886869), (27, 788328), (36, 591246), (54, 394164), (72, 295623), (81, 262776), (108, 197082), (162, 131388), (216, 98541), (243, 87592), (324, 65694), (486, 43796), (648, 32847), (972, 21898), (1944, 10949)]