21484560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89519}}^1$

素因数の和:89535

約数の個数: 40

約数和(自身を含む): 66602880

約数和(自身を除く): 45118320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89519, 179038, 268557, 358076, 447595, 537114, 716152, 895190, 1074228, 1342785, 1432304, 1790380, 2148456, 2685570, 3580760, 4296912, 5371140, 7161520, 10742280, 21484560]

約数ペア:

[(1, 21484560), (2, 10742280), (3, 7161520), (4, 5371140), (5, 4296912), (6, 3580760), (8, 2685570), (10, 2148456), (12, 1790380), (15, 1432304), (16, 1342785), (20, 1074228), (24, 895190), (30, 716152), (40, 537114), (48, 447595), (60, 358076), (80, 268557), (120, 179038), (240, 89519)]