21985668

素因数分解:

$2^2\times 3^5\times {\mathrm{22619}}^1$

素因数の和:22638

約数の個数: 36

約数和(自身を含む): 57635760

約数和(自身を除く): 35650092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 22619, 45238, 67857, 90476, 135714, 203571, 271428, 407142, 610713, 814284, 1221426, 1832139, 2442852, 3664278, 5496417, 7328556, 10992834, 21985668]

約数ペア:

[(1, 21985668), (2, 10992834), (3, 7328556), (4, 5496417), (6, 3664278), (9, 2442852), (12, 1832139), (18, 1221426), (27, 814284), (36, 610713), (54, 407142), (81, 271428), (108, 203571), (162, 135714), (243, 90476), (324, 67857), (486, 45238), (972, 22619)]