21075570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6329}}^1$

素因数の和:6379

約数の個数: 48

約数和(自身を含む): 56286360

約数和(自身を除く): 35210790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 1110, 1665, 3330, 6329, 12658, 18987, 31645, 37974, 56961, 63290, 94935, 113922, 189870, 234173, 284805, 468346, 569610, 702519, 1170865, 1405038, 2107557, 2341730, 3512595, 4215114, 7025190, 10537785, 21075570]

約数ペア:

[(1, 21075570), (2, 10537785), (3, 7025190), (5, 4215114), (6, 3512595), (9, 2341730), (10, 2107557), (15, 1405038), (18, 1170865), (30, 702519), (37, 569610), (45, 468346), (74, 284805), (90, 234173), (111, 189870), (185, 113922), (222, 94935), (333, 63290), (370, 56961), (555, 37974), (666, 31645), (1110, 18987), (1665, 12658), (3330, 6329)]