21383028

素因数分解:

$2^2\times 3^6\times {\mathrm{7333}}^1$

素因数の和:7355

約数の個数: 42

約数和(自身を含む): 56112434

約数和(自身を除く): 34729406

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 7333, 14666, 21999, 29332, 43998, 65997, 87996, 131994, 197991, 263988, 395982, 593973, 791964, 1187946, 1781919, 2375892, 3563838, 5345757, 7127676, 10691514, 21383028]

約数ペア:

[(1, 21383028), (2, 10691514), (3, 7127676), (4, 5345757), (6, 3563838), (9, 2375892), (12, 1781919), (18, 1187946), (27, 791964), (36, 593973), (54, 395982), (81, 263988), (108, 197991), (162, 131994), (243, 87996), (324, 65997), (486, 43998), (729, 29332), (972, 21999), (1458, 14666), (2916, 7333)]