21538224

素因数分解:

$2^4\times 3^4\times {\mathrm{16619}}^1$

素因数の和:16639

約数の個数: 50

約数和(自身を含む): 62341620

約数和(自身を除く): 40803396

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 16619, 33238, 49857, 66476, 99714, 132952, 149571, 199428, 265904, 299142, 398856, 448713, 598284, 797712, 897426, 1196568, 1346139, 1794852, 2393136, 2692278, 3589704, 5384556, 7179408, 10769112, 21538224]

約数ペア:

[(1, 21538224), (2, 10769112), (3, 7179408), (4, 5384556), (6, 3589704), (8, 2692278), (9, 2393136), (12, 1794852), (16, 1346139), (18, 1196568), (24, 897426), (27, 797712), (36, 598284), (48, 448713), (54, 398856), (72, 299142), (81, 265904), (108, 199428), (144, 149571), (162, 132952), (216, 99714), (324, 66476), (432, 49857), (648, 33238), (1296, 16619)]