21149640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19583}}^1$

素因数の和:19603

約数の個数: 64

約数和(自身を含む): 70502400

約数和(自身を除く): 49352760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19583, 39166, 58749, 78332, 97915, 117498, 156664, 176247, 195830, 234996, 293745, 352494, 391660, 469992, 528741, 587490, 704988, 783320, 881235, 1057482, 1174980, 1409976, 1762470, 2114964, 2349960, 2643705, 3524940, 4229928, 5287410, 7049880, 10574820, 21149640]

約数ペア:

[(1, 21149640), (2, 10574820), (3, 7049880), (4, 5287410), (5, 4229928), (6, 3524940), (8, 2643705), (9, 2349960), (10, 2114964), (12, 1762470), (15, 1409976), (18, 1174980), (20, 1057482), (24, 881235), (27, 783320), (30, 704988), (36, 587490), (40, 528741), (45, 469992), (54, 391660), (60, 352494), (72, 293745), (90, 234996), (108, 195830), (120, 176247), (135, 156664), (180, 117498), (216, 97915), (270, 78332), (360, 58749), (540, 39166), (1080, 19583)]